Question

4. Which statements about a sodium atom, 11
Na, ar
· are correct?
1 The number of protons and neutrons is the same.
2 The number of protons and electrons is the same.
3 The number of outer electrons is one.
A 1, 2 and 3
B 1 and 2 only
C 1 and 3 only
D 2 and 3 only
​

Answer 1

Answer:

A 1, 2 and 3

B 1 and 2 only

Explanation:

A 1, 2 and 3

B 1 and 2 only

Answer 2

Answer:

The answer is D, 2 and 3 only

Explanation:

sodium has 11 protons and 11 electrons. it also has 1 electron in its outer  shell