Chapter 7.1 Elements

Question 1

Give the names of the elements represented by the symbols: H

Answer 1

Hydrogen

Question 2

Give the names of the elements represented by the symbols: Li

Answer 2

Lithium

Question 3

Give the names of the elements represented by the symbols: Be

Answer 3

Berylium

Question 4

Give the names of the elements represented by the symbols: Na

Answer 4

Sodium

Question 5

Give the names of the elements represented by the symbols: Mg

Answer 5

Magnesium

Question 6

Give the names of the elements represented by the symbols: K

Answer 6

Potassium

Question 7

Give the names of the elements represented by the symbols: Ca

Answer 7

Calcium

Question 8

Give the names of the elements represented by the symbols: He

Answer 8

Helium

Question 9

Give the names of the elements represented by the symbols: B

Answer 9

Boron

Question 10

Give the names of the elements represented by the symbols: C

Answer 10

Carbon

Question 11

Give the names of the elements represented by the symbols: N

Answer 11

Nitrogen

Question 12

Give the names of the elements represented by the symbols: O

Answer 12

Oxygen

Question 13

Give the names of the elements represented by the symbols: F

Answer 13

Fluorine

Question 14

Give the names of the elements represented by the symbols: Ne

Answer 14

Neon

Question 15

Give the names of the elements represented by the symbols: Al

Answer 15

Aluminium

Question 16

Give the names of the elements represented by the symbols: Si

Answer 16

Silicon

Question 17

Give the names of the elements represented by the symbols: P

Answer 17

Phosphorus

Question 18

Give the names of the elements represented by the symbols: S

Answer 18

Sulphur

Question 19

Give the names of the elements represented by the symbols: Cl

Answer 19

Chorine

Question 20

Give the names of the elements represented by the symbols: Ar

Answer 20

Argon

Question 21

What is an atom

Answer 21

the smallest building block of matter

Question 22

Difference between Ductile and Malleable

Answer 22

Ductile means able to be stretched

Malleable means able to be bent or hammered

Question 23

Elements

Answer 23

substance made up of one type of atom

Question 24

List the four properties of Metals

Answer 24

its shiny, solid at room temperature (except mercury) conducts heat and electricity and can be hammered and bent (malleable) into sheets and stetched (ductile) into wire

Question 25

Molecules

Answer 25

clusters of atoms

Question 26

Compound

Answer 26

substances made of identical molecules with two or more types of atoms

Question 27

Mixtures

Answer 27

is when you have both elements and compounds mixed together

Question 28

Electrons

Answer 28

negatively charges particles that form a shell around the nucleus of an atom

Question 29

Electron shell

Answer 29

area around the atom in which in which electron spins | Draw Diagram

Question 30

Matter

Answer 30

anything that has mass and takes up space

Question 31

What are the 2 particle types that sit in the nucleus of an atom

Answer 31

Neutrons & Protons

Question 32

Nucleus

Answer 32

the cluster of Neutrons & protons at the centre of an atom

Question 33

Protons

Answer 33

Are positive particles

Question 34

Neutrons

Answer 34

Are neutral particles

Question 35

Properties

Answer 35

unique set of characteristics of an element

Question 36

``` How many atoms are present in the molecules written below: CuSO4 NaCl Fe2O3 NH3 H2O CuO ```

Answer 36

``` Cux1 Sx1 Ox4 Na x1 Clx1 Fex2 Ox3 Nx1 Hx3 Hx2 Ox1 Cux1 Ox1 ```

Question 37

Draw a basic atom and label the parts

Answer 37

nucleus, protons, neutrons, electrons, electron cloud

Question 38

How many non-metals on the periodic table and colour in

Answer 38

23 non- metal

Question 39

Label the first 20 elements on the period table

Answer 39

diagram