AQA Chemistry Revision (C1-C5)

What is atomic number?

• Number of protons in an atoms 
• Number of neutrons in an atom
• Mass of an atom
• Charge on an atom

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What electrical charge does a proton have?

• +1
• 0
• -1
• +2

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

• Atomic number
• Proton number
• Mass number
• Weight number

Tags

NGSS.HS-PS1-8

How many protons does an aluminium atom have? (Use the image to help you)

• 27
• 14
• 40
• 13

Tags

NGSS.MS-PS1-1

How many neutrons does a sodium atom have? (Use the image to help you)

• 23
• 11
• 12
• 34

Tags

NGSS.MS-PS1-1

Which particle is negatively charged?

• proton
• atom
• neutron
• electron

The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.

• 9
• 10
• 19
• 28

Tags

NGSS.MS-PS1-1

The __________ of an atom is the sum of the protons and neutrons in the nucleus of that atom.

• mass number
• atomic number 
• atomic weuight
• isotope weight

Tags

NGSS.MS-PS1-1

The center of an atom is known as the

• nucleus

• electron cloud

• neutron cloud

• mass circle

Tags

NGSS.HS-PS1-8