Chemistry, 15.04.2020 20:27 emilyanneK236
Elements that bond with themselves in their pure state and exist as diatomic gases include which of the following? N, O, F, Cl, Br, I, and...
A. C
B. H
C. He
D. Na
Answers: 3
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All cells are made of four types of acids, lipids, proteins, and carbohydrates.
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Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
Elements that bond with themselves in their pure state and exist as diatomic gases include which of...
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