6,5 6,4 6,3 6,2 6
if you know,1
Answer:
Quick question do you mean what are some safety rules
Explanation:
Crosswalk, Stop sign,
Answer:
Mass number - ⦁ The number of protons and neutrons in the nucleus of an atom.
Isotopes - ⦁ Atoms with the same number of protons, but different number of neutrons.
Nitrogen - ⦁ The name of the element with atomic number 7.
Atomic number - ⦁ The number of protons in the nucleus of an atom.