WILL GIVE BRAINLIEST PLZ HELP The nucleus of an atom is made up of:

Question 1 options:

neutrons and electrons

protons and electrons

protons and neutron

Question 2 (1 point)

How is the number of protons represented in the periodic table?

Question 2 options:

atomic number

mass number

atomic mass

isotope

Question 3 (3 points)

Question 3 options:

83.80

36

Kr

1.

element symbol

2.

atomic mass

3.

atomic number