Chemistry

Chemistry, 16.07.2019 20:00, smilxess

The law that states that atoms do not appear or disappear in chemical reactions, is the law of

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Chemistry, 06.07.2019 05:30, shelbymelton18

According to the law of conservation of matter, which statement about chemical reactions is true? a. atoms cannot be created or destroyed by chemical reactions. b. every atom destroyed in a chemical reaction must be replaced. c. energy is created as atoms are destroyed in chemical reactions. d. atoms are created by some reactions and destroyed by others.

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Chemistry, 19.09.2019 16:20, vorhees2406

25. which one of the following is not one of the postulates of dalton's atomic theory? a) atoms are composed of protons, neutrons, and electrons. b) all atoms of a given element are identical; the atoms of different elements are different and have different properties. c) atoms of an element are not changed into different types of atoms by chemical reactions: atoms are neither created nor destroyed in chemical reactions. d) compounds are formed when atoms of more than one element combine; a given compound always has the same relative number and kind of atoms. e) each element is composed of extremely small particles called atoms.

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Chemistry, 23.09.2019 20:00, donnafranks2003

Which is one way that dalton's atomic theory has been shown to be incorrect? some atoms of a particular element are identical to atoms of other elements. atoms can be destroyed by chemical reactions. atoms can change identity in chemical reactions. atoms can be split into subatomic particles.

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Chemistry, 16.10.2019 20:40, DnakMeme6e7272727272

Choose the best explanation for chemical reactions not to produce radioactive particles. a.) chemical reactions make the nuclei of atoms more stable. b.) chemical reactions only release gamma rays. c.) only electrons are involved in chemical reactions. d.) mass is not conserved in chemical reactions.

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