Question

Ok so I have got these (down below) I just need the last 6 could anyone pls do those? Thank you if you do ur the best evr!!!! 20 points!

Mg protons-12 Neutrons-12 electrons- 12


Element: O Atomic mass unit: 16 Atomic number: 8 Protons: 8 Electrons: 8 Neutrons: 8


Element: Cl Atomic mass unit: 35 Protons: 17 Electrons: 17 Neutrons: 18


Element: Ni Atomic mass unit: 59 Atomic number: 28 Protons: 28 Electrons: 28 Neutrons: 31

Answer 1

8 8 9 8
15 16 15
88 38 38
10 10 10 10
79 197 79

Answer 2

Answer: The answers are shown below in the image

Explanation: you're in luck I had this specific assignment before and I still have this from 9th grade