Chemistry I: Atoms, elements and compounds Flashcards

1

What does this show?

2

How many atoms are there in total in SO₃?

3

What is the chemical formula for water?

4

What is the chemical symbol for helium?

5

What is this called?

6

Is calcium a.....

7

What is the chemical symbol for mercury?

8

What would you call a compound made from magnesium and oxygen?

9

What is the formula of sodium chloride?

10

This is a....

11

What does this show?

12

Which of these contains two carbon atoms and six hydrogen atoms?

13

What is this an example of?

Chemistry I: Atoms, elements and compounds