Elements, Compounds And Mixtures

Question 0

What is an atom?

Answer 0

The simplest particle of an element that can exist on its own

Question 1

What is an element?

Answer 1

Contain only one type of atom

Cannot be split into anything simpler by chemical methods

Question 2

What is a molecule?

Answer 2

Consist of 2 or more atoms joined together

They may be the same (element) or different (compound)

Question 3

What is the symbol for hydrogen?

Answer 3

H

Question 4

What is the symbol for carbon?

Answer 4

C

Question 5

What is the symbol for fluorine?

Answer 5

F

Question 6

What is the symbol for iodine?

Answer 6

I

Question 7

What is the symbol for nitrogen?

Answer 7

N

Question 8

What is the symbol for oxygen?

Answer 8

O

Question 9

What is the symbol for phosphorus?

Answer 9

P

Question 10

What is the symbol for sulfur?

Answer 10

S

Question 11

What is the symbol for aluminium?

Answer 11

Al

Question 12

What is the symbol for barium?

Answer 12

Ha

Question 13

What is the symbol for bromine?

Answer 13

Br

Question 14

What is the symbol for helium?

Answer 14

He

Question 15

What is the symbol for lithium?

Answer 15

Li

Question 16

What is the symbol for silicon?

Answer 16

Si

Question 17

What is the symbol for magnesium?

Answer 17

Mg

Question 18

What is the symbol for chlorine?

Answer 18

Cl

Question 19

What is the symbol for silver?

Answer 19

Ag

Question 20

What is the symbol for gold?

Answer 20

Au

Question 21

What is the symbol for iron?

Answer 21

Fe

Question 22

What is the symbol for potassium?

Answer 22

K

Question 23

What is the symbol for sodium?

Answer 23

Na

Question 24

What is the symbol for lead?

Answer 24

Pb

Question 25

What are the properties of ALL metals?

Answer 25

- They're shiny, especially when fresh - Good conductors of heat and electricity - Malleable

Question 26

What are the properties of some metals?

Answer 26

- Solid at room temperature - Hard and strong - High density (heavy for its size) - Makes a ringing sound when it hits the ground

Question 27

Properties of ALL non-metals?

Answer 27

- Dull - Poor conductors of hrs and electricity - Weak and brittle

Question 28

What are the properties of some non-metals?

Answer 28

- Have a low density (light for their size) | - No when hits the ground

Question 29

What is a compound?

Answer 29

A material made up of 2 or more different elements that are chemically joined together

Question 30

How do you write simple compounds?

Answer 30

1. Write the metal down | 2. Add -ide to the end of the non-metal

Question 31

How do you write compound with 2 elements plus oxygen?

Answer 31

1. Write down the name of the metal | 2. Add -ate to the end of the non-metal

Question 32

What is a mixture?

Answer 32

2 or more substances mixed together that are easy to separate