Question

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

Answer 1

Answer:

Question 1: protons and electrons

Question 2: atomic number

Explanation: trust me

Answer 2

Answer:

1=a

2=d

3=3

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