Year 10 Periodic table

Question 1

The group number of the alkali earth metals is

Accepted Answer

2

Question 2

An atom that gains or loses electrons is called a......

Accepted Answer

ion

Question 3

The group number of the noble gases is

Accepted Answer

18

Question 4

The group number of the halogens is

Accepted Answer

17

Question 5

An element with 3 protons, 3 electrons and 4 neutrons has an atomic mass of ..........

Accepted Answer

7

Question 6

The chemical symbol for sodium is

Accepted Answer

Na

Question 7

An atom that loses an electron forms an ion with a valency of .............

Accepted Answer

+1

Question 8

An elements melting point represents a change of state from a

Accepted Answer

solid to a liquid

Question 9

An isotope is ..........

Accepted Answer

An atom of a element with different mass numbers

Question 10

The electric charge of a electron is ..........

Accepted Answer

negative

Question 11

An atom with 8 electrons, 8 protons and 9 neutrons has an atomic number of ............

Accepted Answer

8

Question 12

The chemical symbol for iron is

Accepted Answer

Fe

Question 13

The electron configuration of an element in the third period of the periodic table could be

Accepted Answer

2,8,2

Question 14

Why is most of an atoms mass the product of it's nucleus?

Accepted Answer

electrons are too small to be counted

Question 15

A proton and a neutron are different because

Accepted Answer

have different charges

Question 16

Elements in group 17 share similar properties and are called the halogens

Accepted Answer

True

Question 17

The only metal that is a liquid on the periodic table is

Accepted Answer

mercury

Question 18

Why are noble gases unreactive?

Accepted Answer

They have a full outer shell of electrons

Question 19

The chemical symbol for Beryillium is

Accepted Answer

Be

Question 20

Mettaloids is another name for the

Accepted Answer

semi metals

Question 21

The only non- metal that is a liquid on the periodic table is

Accepted Answer

bromine

Question 22

The chemical symbol for copper is

Accepted Answer

Cu

Question 23

Sodium and pottasium have similar properties as they belong to the same group of alkali metals

Accepted Answer

True

Question 24

What determines the order of the elements in the periodic table

Accepted Answer

the number of protons

Question 25

The electric charge of a proton is.........

Accepted Answer

positive

Question 26

The electric charge of an atom is......

Accepted Answer

neutral

Question 27

The chemical symbol for pottasium is

Accepted Answer

K

Question 28

silicon is represented in the periodic table as shown in the diagram - what is its mass number

Accepted Answer

28

Question 29

An element is a .........

Accepted Answer

a pure substance made of one type of atom

Question 30

Helium and neon are members of the alkali metals

Accepted Answer

False

Question 31

The term organic in chemistry refers to

Accepted Answer

A substance containing carbon

Question 32

A regular arrangement of atoms formed with ionic bonds is called a

Accepted Answer

lattice

Question 33

The number of electrons in the outer shell of an atom in group 2 is

Accepted Answer

2

Question 34

two non metals will join in a ______________ bond

Accepted Answer

covalent

Question 35

the number of electrons in an atom with 5 protons and 6 neutrons is

Accepted Answer

5

Question 36

Atoms of different elements could be modelled with the use of different coloured balls

Accepted Answer

True

Question 37

Rutherford used direct evidence to suggest that atoms were mostly empty space

Accepted Answer

false

Question 38

The majority of all elements on the periodic table are non- metals

Accepted Answer

False

Question 39

The noble gases are highly reactive elements

Accepted Answer

False

Question 40

Diamond is a substance made of

Accepted Answer

atoms of carbon

Question 41

A metal and a non metal form an __________ bond

Accepted Answer

Ionic

Question 42

The electric charge of a nucleus is.........

Accepted Answer

positive

Question 43

List the following in order from lightest to heaviest - atom, electron, proton, neutron

Accepted Answer

electron, proton, neutron, atom

Question 44

Group numbers represent elements with

Accepted Answer

The same number of electrons in the outer shell

Question 45

The development of the periodic table is credited to the work of

Accepted Answer

Mr Mendeleev

Question 46

Two or more atoms chemically bonded is called a...........

Accepted Answer

molecule

Question 47

Elements in group 1 form ions with a

Accepted Answer

+1 charge

Question 48

A compound is a ..........

Accepted Answer

substance made of two or more different elements bonded

Question 49

The electric charge of a neutron is...........

Accepted Answer

neutral

Question 50

The period or horizontal row on the periodic table represents elements with the

Accepted Answer

same number of electron shells

Year 10 Periodic table

Questions 50

Year 10 Periodic table

Questions 50