Question

please solve it fast.....true or false​

Answer 1

Answer:

1. True

2. True

3. True I think

4. false I think

5. False I think

Explanation:

Answer 2

Explanation:

1)False,it's called isotopes

2)True

3)True

5)False, it's called free electrons .

sorry I don't know the answer of 4th......