The Structure of Atoms

What carries no charge 

• Neutrons
• Electrons
• Protons

The nucleus of an atom is    charged.

• positively (+)
• negatively (-)
• variable
• not

A particle that moves around the nucleus is a(n)   .

• proton
• ion
• neutron
• electron

The __________ contains the protons and neutrons of an atom, and is most of the mass of an atom

• Nucleus
• Atomic Number
• Atomic Mass
• Electrons

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

All matter is made of what?

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the unit used to measure weighted average atomic mass?

• amu
• gram
• angstrom
• nanogrm

Tags

NGSS.HS-PS1-7

Contributes basically no mass to an atom.

• protons
• neutrons
• electrons
• protons and neutrons

Protons are located in the nucleus of the atom.
A proton has _______________.

• No charge
•  A negative charge
• A positive and a negative charge
• A positive charge

Tags

NGSS.MS-PS1-1