Sodium's atomic number is 11. what does this tell you about an atom of sodium?

a. it contains 11 neutrons.
b. it has 11 protons to lose in ionic bonds.
c. it contains 11 protons.
d. its atomic mass is double this amount

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Donde se encuentra el adn nuclear en un organismo eucariota?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?