Chemistry Test

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

• 10
• 20
• 30

Tags

CCSS.8.EE.A.3

What two particles determine the mass number?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

When an atom loses an electron, it becomes a(n) _____________ ion.

• positive

• negative

• neutral

• polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2