Physics

Physics, 21.08.2019 09:20, evazquez

Does wind have atoms and molecules in it?

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Biology, 30.06.2019 17:20, adeliabujang8881

Which of the following statements is true is it a.atoms exist in more types than molecules do or b.molecules result when atoms lose electrons or c.atoms bond with one another in a molecule or d.molecules result when atoms acquire extra neutrons.

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Biology, 30.07.2019 01:30, victoriavacodos

Which of the following statements is true? (1 point) a) atoms exist in more types than molecules do. b) molecules result when atoms lose electrons. c) atoms bond with one another in a molecule. d) molecules result when atoms acquire extra neutrons.

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Chemistry, 21.08.2019 23:50, jasminebailey829

Need as soon as possible! 7. how many atoms are present in a 6.00 g sample of silver? a. 1.07 x 10^-1 atoms b. 6.47 x 10^2 atoms c. 3.35 x 10^22 atoms d. 3.61 x 10^24 atoms 8. how many atoms are present in 2.0 x 10^6 mol of carbon? a. 3.3 x 10^-18 atoms b. 4.0 x 10^-17 atoms c. 1.0 x 10^29 atoms d. 1.2 x 10^30 atoms 9. what mass is present in sample of agno3 containing 3.14 x 10^19 formula units? a. 5.21 x 10^-5 g b. 8.86 x 10^-3 g c. 1.13 x 10^2 g d. 1.92 x 10^4 g 10. how many molecules are present in 36.6 l of so2 gas at stp? a. 1.36 x 10^-21 molecules b. 1.63 x 10^0 molecules c. 1.54 x 10^22 molecules d. 9.84 x 10^23 molecules

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Chemistry, 29.10.2019 02:31, KENYONWASHINGTON868

Need answer asap, will give ! which of the following statements about atoms and molecules is correct? select one: a. only elements contain atoms; all compounds contain molecules. b. only pure substances contain atoms; mixtures contain molecules. c. atoms contain one or more molecules. d. molecules contain two or more atoms. e. molecules are impure substances.

Answers: 1

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