Question

Help pls! this is due tonight. thanks!

Answer 1

Answer: 0,-2,2,0

Explanation:

Add the numbers together and you get the answers.

Answer 2

Neon: 0

Oxide: -2

Copper: 2

Tin: 0

Step-by-step explanation: To solve you must add/subtract the numbers to get the charge, for example if its -30 charge from electrons and 10 charge from protons, -30 + 10 = -20 therefore the charge is -20