Quiz: Atomic Basics Quiz


Atomic Basics QuizOnline version A quick quiz on atoms, elements and ions. by Slayla 1 What is an element? a A mixture of substances b A type of molecule c A pure substance made of one type of atom d A group of compounds 2 How are elements arranged in the periodic table? a By size only b Randomly c By atomic number and properties d By colour 3 What is a molecule? a Two or more atoms bonded together b Only atoms of different elements c Only atoms of the same element d A single atom 4 What is a compound? a A mixture of elements b Two or more atoms of the same element c Two or more different elements chemically bonded d A single atom 5 Which particle has a positive charge? a Atom b Electron c Proton d Neutron 6 Where are electrons located? a Inside protons b In shells around the nucleus c In the nucleus d Inside neutrons 7 What does the atomic number represent? a Number of neutrons b Number of protons c Total mass d Number of electrons 8 Relative atomic mass is the total of: a Protons only b Protons and neutrons c Neutrons and electrons d Electrons only 9 How do you calculate neutrons? a Electrons − protons b Atomic number + mass c Mass − atomic number d Protons + electrons 10 Where are electrons located? a In the nucleus b In shells around the nucleus c Inside protons d Inside electrons 11 What does the atomic number represent? a Number of neutrons b Number of electrons c Number of protons d Total mass 12 Relative atomic mass is the total of: a Protons only b Electrons only c Protons and neutrons d Neutrons and electrons 13 How do you calculate neutrons? a Atomic number + mass b Mass − atomic number c Protons + electrons d Electrons − protons 14 The Bohr model shows: a Random electrons b Electrons in shells c Only the nucleus d Only protons 15 How what is the shell configuration for the first 4 a 5378 b 2238 c 2882 d 8228 16 Valence electrons are: a Inner electrons b Electrons in the nucleus c Electrons in the outer shell d Neutrons 17 Why are valence electrons important? a They determine reactivity b They determine mass c They determine colour d They determine size 18 An atom is neutral when: a Protons = electrons b It has no electrons c Neutrons = electrons d Protons = neutrons 19 An ion is: a A neutral atom b A charged atom c A type of molecule d A compound 20 A cation has: a A negative charge b A positive charge c No charge d Equal electrons and protons Feedback 1 Elements are pure substances with one type of atom. 2 Elements are organized by atomic number and properties. 3 Molecules consist of two or more atoms bonded together. 4 Compounds are made from different elements bonded together. 5 Protons carry a positive charge. 6 Electrons orbit the nucleus in electron shells. 7 Atomic number equals the count of protons in the nucleus. 8 Relative atomic mass sums protons and neutrons. 9 Neutrons = mass number minus atomic number.

1

What is an element?

a

A mixture of substances

b

A type of molecule

c

A pure substance made of one type of atom

d

A group of compounds

2

How are elements arranged in the periodic table?

a

By size only

b

Randomly

c

By atomic number and properties

d

By colour

3

What is a molecule?

a

Two or more atoms bonded together

b

Only atoms of different elements

c

Only atoms of the same element

d

A single atom

4

What is a compound?

a

A mixture of elements

b

Two or more atoms of the same element

c

Two or more different elements chemically bonded

d

A single atom

5

Which particle has a positive charge?

a

Atom

b

Electron

c

Proton

d

Neutron

6

Where are electrons located?

a

Inside protons

b

In shells around the nucleus

c

In the nucleus

d

Inside neutrons

7

What does the atomic number represent?

a

Number of neutrons

b

Number of protons

c

Total mass

d

Number of electrons

8

Relative atomic mass is the total of:

a

Protons only

b

Protons and neutrons

c

Neutrons and electrons

d

Electrons only

9

How do you calculate neutrons?

a

Electrons − protons

b

Atomic number + mass

c

Mass − atomic number

d

Protons + electrons

10

Where are electrons located?

a

In the nucleus

b

In shells around the nucleus

c

Inside protons

d

Inside electrons

11

What does the atomic number represent?

a

Number of neutrons

b

Number of electrons

c

Number of protons

d

Total mass

12

Relative atomic mass is the total of:

a

Protons only

b

Electrons only

c

Protons and neutrons

d

Neutrons and electrons

13

How do you calculate neutrons?

a

Atomic number + mass

b

Mass − atomic number

c

Protons + electrons

d

Electrons − protons

14

The Bohr model shows:

a

Random electrons

b

Electrons in shells

c

Only the nucleus

d

Only protons

15

How what is the shell configuration for the first 4

a

5378

b

2238

c

2882

d

8228

16

Valence electrons are:

a

Inner electrons

b

Electrons in the nucleus

c

Electrons in the outer shell

d

Neutrons

17

Why are valence electrons important?

a

They determine reactivity

b

They determine mass

c

They determine colour

d

They determine size

18

An atom is neutral when:

a

Protons = electrons

b

It has no electrons

c

Neutrons = electrons

d

Protons = neutrons

19

An ion is:

a

A neutral atom

b

A charged atom

c

A type of molecule

d

A compound

20

A cation has:

a

A negative charge

b

A positive charge

c

No charge

d

Equal electrons and protons

Feedback

1

Elements are pure substances with one type of atom.

2

Elements are organized by atomic number and properties.

3

Molecules consist of two or more atoms bonded together.

4

Compounds are made from different elements bonded together.

5

Protons carry a positive charge.

6

Electrons orbit the nucleus in electron shells.

7

Atomic number equals the count of protons in the nucleus.

8

Relative atomic mass sums protons and neutrons.

9

Neutrons = mass number minus atomic number.

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Atomic Basics Quiz

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Atomic Basics QuizOnline version

by Slayla

What is an element?

How are elements arranged in the periodic table?

What is a molecule?

What is a compound?

Which particle has a positive charge?

Where are electrons located?

What does the atomic number represent?

Relative atomic mass is the total of:

How do you calculate neutrons?

Where are electrons located?

What does the atomic number represent?

Relative atomic mass is the total of:

How do you calculate neutrons?

The Bohr model shows:

How what is the shell configuration for the first 4

Valence electrons are:

Why are valence electrons important?

An atom is neutral when:

An ion is:

A cation has:

Feedback

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