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L3 - Atomic structure and ionic bonding

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The number of protons and neutrons in the nucleus of an atom is called the ___________________.

a)

Mass number (or "atomic weight")

b)

Atomic number

c)

Electron number

d)

Nucleus number

2.

The number of protons in an atom is called the ___________________.

a)

Mass number (or "atomic weight")

b)

Atomic number

c)

Electron number

d)

Nucleus number

3.

How many electrons does this atom have?

a)

2

b)

4

c)

6

d)

10

4.

This atom has...

a)

4 Protons

4 Electrons

4 Neutrons

b)

4 Protons

4 Electrons

5 Neutrons

c)

5 Protons

4 Electrons

4 Neutrons

d)

5 Protons

4 Electrons

5 Neutrons

5.

The 'charge' on a proton is...

a)

+1

b)

-1

c)

0

d)

P

6.

What is an 'ion'?

a)

A particle found in the nucleus of an atom

b)

Something in the periodic table

c)

A tool you use for flattening clothes

d)

An atom that has lost or gained electrons

7.

What is a 'bond' in chemistry?

a)

A ring around the nucleus which the electrons stay on

b)

A link that holds two atoms together

c)

A type of atom

d)

A particle with no charge

8.

What do we mean by an atom's 'structure'?

a)

The particles it is made of and how they fit together

b)

Its overall weight

c)

How it will behave in certain situations

d)

How it fits into a block of material

9.

'MgCl2' is an example of a chemical _______ .

'Mg' and 'Cl' are both chemical _______.

a)

formula;

symbols

b)

bond;

symbols

c)

symbol;

letters

d)

formula;

acronyms

10.

If two atoms are 'attracted' to each other, it means they....

a)

...really like each other

b)

...both feel a force pulling them together

c)

...are touching each other

d)

...cannot be separated