Chemistry Subatomic Particles Review

Which particles have approximately the same size and mass?

• Protons

• Neutrons

• Electrons

• Atoms

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

• midichlorian

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• cybertron

What is the center of an atom called?

• The headquarters

• The centrometer

• The hypothesis

• The nucleus

Tags

NGSS.MS-PS1-1

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

Tags

NGSS.MS-PS1-1

Typically in an atom, which two subatomic particles are equal in number?

• protons and neutrons

• all subatomic particles are equal in number

• neutrons and electrons

• protons and electrons

Tags

NGSS.MS-PS1-1

What is the atomic number for an element with 41 neutrons and a mass number of 80?

• 39
• 41
• 80
• 121

Tags

NGSS.MS-PS1-1

How many protons are present in phosphorus?

• 15

• 16

• 31

• 46

^{What does the 6 represent above the C}

• Symbol 
• Name 
• Mass Number 
• Atomic Number 

Tags

NGSS.MS-PS1-1

An element is defined by its number of ...

• protons

• electrons

• neutrons

• protons + electrons