Atomic Structure Quiz

What particle decides the identity of an atom/element?

• proton
• neutron
• electron
• All of the above.

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1
• 3
• 4
• 7

Tags

NGSS.MS-PS1-1

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

Tags

NGSS.MS-PS1-1

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

Tags

NGSS.MS-PS1-1

The postively charged particles in an atom are: 

• protons
• electrons
• neutrons

The negatively charged particles in an atom are: 

• protons
• neutrons
• electrons

The particles of an atom which have no charge are: 

• protons
• neutrons
• electrons

The 2 main parts of an atom are: 

• nucleus & electron cloud
• nucleus & protons
• protons & electrons
• neutrons & electron cloud

Tags

NGSS.MS-PS1-1

What does an atom mostly consist of? 

• protons
• a nucleus
• an electron cloud
• empty space

Tags

NGSS.MS-PS1-1