Which of the following describes a compound.
Science Biology Which of the following describes a lipid? A. An organic molecule that consists of one or more chains of amino acids folded up in a specific shape B. A fatty, oily, or waxy organic compound often composed of fatty acids C. A molecule that consists primarily of carbon, hydrogen, and oxygen atoms in a ratio of 1:2:1 D.
Reduction of an organic compound results in a decrease in the number of carbon-heteroatom bonds, and/or an increase in the number of carbon-hydrogen bonds. Below are a number of common functional group transformations that are classified as redox. Heteroatoms such as oxygen and nitrogen are more electronegative than carbon, …All compounds are substances, but not all substances are compounds. A chemical compound can be either atoms bonded together in molecules or crystals in which ...Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describe ionic bonding?, When the elements Mg and Cl form an ionic bond, Mg loses __ electron(s) from the 3s orbital to form the Mg2+ cation. Cl gains __ electron(s) in the 3p orbital to form the Cl- anion. Since the total number of electrons lost always equals the total number of ...True or false: A greater number of organisms live on land than in the ocean. True or false: inland areas have more severe temperatures because of oceans. True or false: oceans provide little water vapor to the atmosphere. True or false: bioluminescence is the least common form of communication on the planet.
Study with Quizlet and memorize flashcards containing terms like Water's surface tension and heat storage capacity is accounted for by its, Which of the following statements best describes a compound?, Which of the following best describes the atomic number of an atom? and more.26, 26, 32. An isotope with 15 protons and 17 neutrons will have which symbol? 13. P. 15. An imaginary element zXa consists of two isotopes having masses of 100.0 amu and 102.0 amu. A sample of zXa was found to contain 75.0% of the zX100 isotope and 25.0% of the zX102. Calculate the atomic weight of zXa.
Sodium chloride is an ionic compound made up of sodium ions and chloride ions in a crystal lattice. Image credit: Wikipedia Commons, public domain. Atoms are electrically neutral because the number of protons, which carry a 1+ charge, in the nucleus of an atom is equal to the number of electrons, which carry a 1- charge, in the atom.
Study with Quizlet and memorize flashcards containing terms like Which of the following is the branch of chemistry concerned with energy changes? A. Cytochemistry B. Inorganic chemistry C. Organic chemistry D. Thermodynamics, Work in the cell or in the physical world can only be done with expenditure of __________; it is defined as the capacity to do …Choose all answers that apply. The compound is ionic. The compound would be expected to be a solid at room temperature and pressure. If the compound dissolved in water it would be a strong electrolyte. The compound is molecular. | If the compound dissolved in water it would be a non-electrolyte. Show transcribed image text.a. a compound is a pure substance b. a compound obeys the law of constant competition c. both a and b d. neither a nor b c. both a and b Which of the following statements describes a mixture? a. a mixture does not contain a fixed ratio by mass of the component elements b. chemical techniques are required to separate the components of a mixtureTerms in this set (27) Which of the following is a chemical change? burning gasoline in your car. which of the following descriptions is used to describe the liquid state? matter in this state has a definite volume and the shape is determined by the container. which of the following is a chemical change? frying an egg.
Expert Answer. 100% (5 ratings) Transcribed image text: Which of the following options correctly describe covalent compounds? Select all that apply. Check all that apply. V Covalent compounds form when a metal bonds to ampnmetal A covalent compound is formed when electrons are shared The smallest unit of a covalent compound is called a molecule.
Explain your answer. The model does not represent a compound because it shows two atoms of the same element combined. To be a compound, the model would need to contain atoms of different elements, represented by different-colored balls. H is a chemical. and H2 is a chemical.
Scientists of the 18th and early 19th centuries studied compounds obtained from plants and animals and labeled them organic because they were isolated from “organized” (living) systems. Compounds isolated from nonliving systems, such as rocks and ores, the atmosphere, and the oceans, were labeled inorganic.For many years, …Study with Quizlet and memorize flashcards containing terms like Which of the following statements describe a compound? a. a compound is a pure substance b. a compound obeys the law of constant competition c. both a and b d. neither a nor b, Which of the following statements describes a mixture? a. a mixture does not contain a fixed ratio by mass of the component elements b. chemical ... See full list on khanacademy.org Study with Quizlet and memorize flashcards containing terms like Which of the following statements best describes the relationship between autotrophs and heterotrophs? A) Autotrophs produce their organic molecules from CO2 and other inorganic molecules, whereas heterotrophs obtain their organic molecules from compounds produced by …The formation of a compound sentence is described as two independent clauses joined by a comma and a conjunction. Therefore, option C is the correct answer.Option A is incorrect because a semicolon is used to join two independent clauses in a complex sentence.Option B is incorrect because a dependent clause cannot form a …
See Answer. Question: Which of the following describes the compound Mn (NO3)2? Choose all answers that apply. The compound is ionic. The compound is molecular. If the compound dissolved in water it would be a non-electrolyte. If the compound dissolved in water it would be a strong electrolyte. The compound would be expected to be a solid at ...Answer 4 people found it helpful PrincessTeja report flag outlined Answer: A compound is defined as a chemical substance in which two or more different elements …Identify the correct statements concerning aldehydes below. 1.They each contain a functional group with the structure −CHO. 2.They are named using the suffix -al. Aldehydes have which of the following intermolecular forces? 1.London dispersion forces. 2.dipole-dipole interactions. What is the name of the compound shown below? Choose all that ...1. All organic compounds contain carbon atoms. 2. organic compounds may contain nitrogen or oxygen atoms. The central carbon atom in the structure shown is bonded to four different groups. This molecule is ___ and is ___ on its mirror image. The central carbon atom is therefore chiral.The option which correctly describes a mixture is: D. The particles have no set ratio for how to combine, and they can be separated by physical means. A mixture can be defined as a combination of two (2) or more substances which are present in varied proportion (unfixed ratios).Also, a mixture can be visibly seen with our naked eyes and …
O2 is not a compound; it is a molecule because it contains only one element. To be considered a compound, a substance must meet all of the following criteria: contain at least two elements, be a pure substance, have chemically combined elem...
Study with Quizlet and memorize flashcards containing terms like Which of the following options describe the correct format used when writing the chemical formula of a substance? Select all that apply., When naming a compound of two nonmetals, the number of ____ of each element is indicated by a Greek numerical prefix. The first element in the name is numbered only when more than ___ atom(s ... Question: Spermine (structure shown) is a compound isolated from sperm. Which of the following statements correctly describes an aqueous solution of spermine? NH2(CH2)3NH(CH2)4NH(CH2)3NH2 Question 2 options: A) The hydroxide ion concentration in the solution would be greater than that in pure water.The molecule possesses enantiotopic hydrogens. Which of the following statements describes the compound shown below? Y O The mirror image of this molecule is its …The molecule possesses enantiotopic hydrogens. Which of the following statements describes the compound shown below? Y O The mirror image of this molecule is its enantiomer. O It is meso. O Its asymmetric center possesses the R configuration. O It is achiral. The molecule possesses enantiotopic hydrogens. BUY.Classification of Matter. 3.2K plays. 8th - 10th. 20 Qs. Classifying Matter. 8.3K plays. 9th - 10th. Compounds and Mixtures quiz for 5th grade students. Find other quizzes for Chemistry and more on Quizizz for free!The formation of a compound sentence is described as two independent clauses joined by a comma and a conjunction. Therefore, option C is the correct answer.Option A is incorrect because a semicolon is used to join two independent clauses in a complex sentence.Option B is incorrect because a dependent clause cannot form a …physical. Classify each of the following observations about the behavior of a substance. as a physical property or chemical property of the substance. a. does not react with oxygen at 50 C. b. reacts explosively with oxygen at 425 C. c. does not melt when heated to 100 C. d. melts at temperatures that exceed 250 C.What describes a compound? 1) In chemistry, a compound is a substance that results from a combination of two or more different chemical element s, in such a way that the atom s of the different elements are held together by chemical bonds that are difficult to break. The smallest unbreakable unit of a compound is called a molecule .Question: Question 26 Choose the correct answer: Which of the following best describes how compound interest works? [1 Mark] (a) Interest is calculated only on previously earned interest (b) The compound interest rate increases as the term progresses (c) Interest is calculated only at the end of the term (d) The compound interest rate increases as the term progresses Which of the following describes a chemical property of water? Water reacts violently with sodium metal. Which of the following is an example of a homogenous mixture? cranberry juice. Perform the following calculation and give the answer with the correct number of significant figures. 2.40 ÷ 31. 0.077. See more. About us.
Which of the following best describes a compound? (A) Atoms chemically bonded together in a discrete unit. (B) A substance composed of two or more elements chemically bonded together in a fixed ratio. (C) A single …
Classification of Matter. 3.2K plays. 8th - 10th. 20 Qs. Classifying Matter. 8.3K plays. 9th - 10th. Compounds and Mixtures quiz for 5th grade students. Find other quizzes for Chemistry and more on Quizizz for free!
A. the presence of a solid proves that a chemical change has occurred B. the presence of two colors proves that a chemical change has occurred C. The absence of gas bubbles proves that no change has occurred D. It is impossible to tell because it is unknown whether the solid formed during the reaction and more. Which statement describes compounds? Compounds are represented by chemical formulas. Does this model represent a compound? Explain your answer. The model …Study with Quizlet and memorize flashcards containing terms like An ionic compound will dissolve when the attraction between the _____ molecules and the ions is greater than the attraction between the _____ themselves., An electric current requires the movement of _____ particles, which could be electrons or ions. A solid ionic substance does not conduct an electric current because the ions ...1. All organic compounds contain carbon atoms. 2. organic compounds may contain nitrogen or oxygen atoms. The central carbon atom in the structure shown is bonded to four different groups. This molecule is ___ and is ___ on its mirror image. The central carbon atom is therefore chiral. Study with Quizlet and memorize flashcards containing terms like Identify the compound with covalent bonds. A) CH4 B) Kr C) KBr D) K E) NaCl, Which of the following contains BOTH ionic and covalent bonds? A) CaBr2 B) COS C) BaSO4 D) SF6 E) None of the above contain both ionic and covalent bonds., An ionic bond is best described as A) the sharing of electrons. B) the transfer of electrons from ...E. The compound would be a good conductor of heat and electricity. Which of the following describes the compound PCl5? Choose all answers that apply. A. The compound is molecular. B. The compound would be expected to have a relatively low melting point. C.Select all that apply. 1) Molecular compounds tend to contain nonmetals only. 2) Molecular compounds may contain ions. 3) Ionic compounds are composed of molecules. 4) Ionic compounds contain only one type of atom. 5) Nonmetals combine with metals to form ionic compounds. 1 and 5. Which of the following options correctly describe how to name an ...Cultism is defined as the practices and devotions of a cult. It is a noun used to describe a cult, a religion, or a religious sect that is considered extreme or false and typically follows a charismatic leader.All compounds are substances, but not all substances are compounds. A chemical compound can be either atoms bonded together in molecules or crystals in which ...
1 Which of the following describes the compound MgI2? Choose all answers that apply. The compound would be expected to have a relatively low melting point. The compound is molecular. The compound would conduct electricity if molten. If the compound dissolved in water it would be a strong electrolyte. The compound is ionic. 2 Which of the ...A binary ionic compound is a compound composed of a monatomic metal cation and a monatomic nonmetal anion. The metal cation is named first, followed by the nonmetal anion as illustrated in Figure 4.5.1 4.5. 1 for the compound BaCl 2. The word ion is dropped from both parts. Figure 4.5.1 4.5. 1 Naming BaCl2 B a C l 2.The correct statements that apply to the compound are;. they show the elements that make up a compound; they show the types of atoms that make up a molecule; they show the number of each type of atom in a molecule; The chemical formula of water is written as;. The conclusions that can be drawn in the compound formed in …d.spiro bicyclic. 2.Which of the following describes the compound below? A. bridged bicyclic. B. spiro bicyclic. C. fused bicyclic. D. bridged tricyclic. 3.Choose the IUPAC name that best describes the following molecule. a.spiro [5.2]octane. b.bicyclo [3.2.1]octane. Instagram:https://instagram. zero crossword clue 3 lettershappy wednesday my love gifbubble guppies the puppy and the ring dailymotiondrive mad unblocked github Water, which is a chemical compound of hydrogen and oxygen in the ratio two hydrogen atoms for every oxygen atom, contains H 2 O molecules. Sodium chloride is a chemical compound formed from sodium (Na) and chlorine (Cl) in a 1:1 ratio. Although the formula for sodium chloride is NaCl, the compound does not contain actual NaCl molecules. … free wiring diagrams autozonemotor city casino all you can eat crab legs Answer to Solved Which of the following equations describes the. Skip to main content. Books. Rent/Buy; Read; Return; Sell; Study. Tasks. Homework help; Understand a topic; Writing ... Which of the following equations describes the formation of a compound from its elements in their standard states? View Available Hint(s) O Mg(s) + C(s, graphite ... oklahoma top football recruits 2023 Question: Spermine (structure shown) is a compound isolated from sperm. Which of the following statements correctly describes an aqueous solution of spermine? NH2(CH2)3NH(CH2)4NH(CH2)3NH2 Question 2 options: A) The hydroxide ion concentration in the solution would be greater than that in pure water.A. the presence of a solid proves that a chemical change has occurred B. the presence of two colors proves that a chemical change has occurred C. The absence of gas bubbles proves that no change has occurred D. It is impossible to tell because it is unknown whether the solid formed during the reaction and more.