Answer:
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
Step-by-step explanation:
Answer:
it must always have one of the sign
The measure of the third angle is 74
Answer:
0.002 km
Step-by-step explanation:
