chemical formula

Question 1

Rules for chemical formula

Answer 1

• always put metal first
• look out for capital when looking for elements
• the numbers tell you how many of the element there is

Question 2

What does the suffix “IDE” mean?

Answer 2

default ending

Question 3

What does the prefix “MON” mean ?

Answer 3

there is 1 oxygen
- e.g carbon monoxide

Question 4

What does the prefix “DI” mean ?

Answer 4

there are two oxygens
- e.g carbon dioxide

Question 5

What does the prefix “TRI” mean ?

Answer 5

there are 3 oxygens
- e.g sulfur trioxide

Question 6

What can change in a chemical reaction

Answer 6

• colour change
• change in temperature
• forms solid
• fizzing