please answer 7-10 7. Which subatomic particles contribute to the atomic mass fo

Question

please answer 7-10

7. Which subatomic particles contribute to the atomic mass for any given element? - (a) protons (c) protons and electrons (b) neutrons -(d) protons and neutrons 8. Carbon 14 is an unstable isotope of carbon that decays very slowly. Compared to the common, stable carbon 12 isotope, carbon 14 has two additional (a) electrons (b) neutrons (c) protons (d) ions 9. A covalent bond between two atoms is formed as a result of the (a) sharing of electrons. (b) transfer of electrons (c) sharing of protons (d) transfer of protons 10. Proteins are polymers made of the following monomer molecules? (a) sugars (b) fatty acids (c) nucleotides (d) amino acids Continued on the reverse side

Explanation / Answer

7. The subatomic particles that contribute towards the atomic mass for a given element include the electrons and protons.

Option C is correct.

8. The carbon 14 is an unstable isotope of carbonyhat decays very slowly. Compared to the common stable isotope C 12, carbon 14 has two additional NEUTRONS

Option B is correct

9. A covalent bond between two atoms is formed as a result of the Mutual sharing of the Electrons.

Option A is correct

10. Protein are the Polymers made up of the monomer molecules called the Amino acids.

Option D is correct

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