Unit 1 (Atoms, Periodic Table) Flashcards

1

This nonmetal is the most REACTIVE in period 2

2

How many neutrons does Boron have?

3

This metalloid has 5 valence electrons and the most mass

4

Which element is most reactive?

5

What do you use to identify an element?

6

Which is NOT a subatomic particle?

7

Which element has 16 protons?

8

Which element is in period 2, group 14?

9

Which group is NOT reactive?

10

What element has 3 electron shells and 3 valence electrons?

11

The Periodic Table is divided into three categories. Which is NOT a category?

12

Which subatomic particles IS found inside the nucleus of an atom?

Unit 1 (Atoms, Periodic Table)