Duplicate of The Periodic Table (AQA) Flashcards

1

What is the atomic number of an element?

2

What are the rows on the table called?

3

What is an ion?

4

How many electrons are there in the outer shell of group 2 elements?

5

What is the shielding effect?

6

What are the columns on the table called?

7

Who came up with the modern periodic table?

8

What is the electron configuration of Na?

9

What is the mass number of an element?

10

what happens to the reactivity down the group in group 7?

11

what happens to the reactivity down group 1?

12

metals are:

13

Which of the following is a halogen?

Duplicate of The Periodic Table (AQA)