Which particle has a positive charge?

• electron
• orbital
• proton
• neutron

Isotopes have different numbers of

• protons
• neutrons
• electron
• properties

Atomic mass is equal to the number of...

• Protons + Electrons
• Electrons + Neutrons
• Protons + Neutrons
• Electrons

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

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.HS-PS1-8

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

The building blocks of matter

• Mass Number
• Atoms
• Nobel Gases
• Isotopes

The total number of Protons and Neutrons.

• Mass Number
• Atomic Number
• Matter
• Ion

an atom of the same element that has a different number of neutrons in its nucleus and, therefore, a different mass

• isotope
• electron shell
• ion
• valence electrons

Large bodies of water do not quickly fluctuate in temperature. Why?

• Water is a solvent.
• Water has a high heat capacity.
• Water acts as a buffer.
• Water is non-polar.

Tags

NGSS.HS-ESS2-5

NGSS.HS-PS3-4