Question

question 1 1 pts atoms are composed of which three subatomic particles? (pick all that apply) neutrons protons photons electrons neurons question 2 1 pts the unit of measure, amu, stands for atomic metric unit atomic micro unit atomic mass unit attractive mass unit

Explanation:

• For Question 1: Atoms are made up of neutrons, protons, and electrons. Photons are related to light and neurons are cells in the nervous - system, not subatomic particles of an atom.
• For Question 2: The unit amu stands for atomic mass unit, which is used to measure the mass of atoms and molecules.

Answer:

• Question 1: neutrons, protons, electrons
• Question 2: atomic mass unit