C1.3.2 - Word Equations

Question 1

Carbon + Oxygen –> ?

Answer 1

Carbon Dioxide (CO₂)

Question 2

If 2 or more different types of atoms (elements) are joined together we called the new substance a…

Answer 2

compound

Question 3

How would we know if a reaction was taking place between magnesium and oxygen?

Answer 3

A bright white flame appears which transfers energy tot he surroundings.

Question 4

Iron + Sulfur –> Iron Sulfide

What are the reactants in this reaction?

Answer 4

Iron + Sulfur

(Reactants are always on the left of the arrow)

Question 5

Lithium + Bromine –>

Answer 5

Lithium Bromide

Question 6

Magnesium + Oxygen –> ?

Answer 6

Magnesium oxide

Question 7

What do we call the new substances made at the end of a chemical reaction?

Answer 7

products

Question 8

Iron + Sulfur –> ?

Answer 8

Iron Sulfide

Question 9

Iron + Sulfur –> Iron Sulfide

What are the products in this reaction?

Answer 9

Iron Sulfide

(Products are always on the right of the arrow)

Question 10

How can we react magnesium with oxygen?

Answer 10

Burn magnesium in air using a Bunsen burner.

Question 11

Most compounds that are made from 2 different elements end in which three letters?

Answer 11

‘ide’ e.g. Magnesium Chlroide

Question 12

What do we call the substances in a chemical reaction that we are reacting together?

Answer 12

Reactants

Question 13

What is meant by a hazard?

Answer 13

A possible source of danger

Question 14

Do we ever use = signs when writing down chemical reactions?

Answer 14

NO!!!

Question 15

Potassium + Chlorine –>

Answer 15

Potassium Chloride

Question 16

What is meant by a risk?

Answer 16

Something that could happen due to a hazard. Eg. Bunsen burner is a hazard. The risk is burning yourself.