Matter and Atomic Structure

Where is almost all the mass of an atom located?

• in the electrons

• in the neutrons

• in the nucleus

• in the protons

Which particles are located in the nucleus of an atom?

• protons and neutrons

• photons and clingons

• protons and electrons

• electrons and neutrons

Tags

NGSS.MS-PS1-1

Which statement best describes an electron?

• Greater mass than a proton and has a negative charge.

• Smaller mass than a proton and has a negative charge.

• Smaller mass than a proton and has a positive charge.

• Greater mass than a proton and has a positive charge.

Protons have a ________ charge.

Electrons have a ________ charge.

Tags

NGSS.MS-PS2-3

Neutrons have a ________ charge.

Electrons are located in the ________ ________.

Tags

NGSS.MS-PS1-1

The atomic number tells how many ________ are in the nucleus.

What is a valence electron?

• A nice curtain that hangs at the top of the window.

• The electrons in the outermost energy level (shell) of an atom.

• The electrons in the innermost energy level (shell) of an atom.

Tags

NGSS.MS-PS1-1

APE MAN stands for...

• Atomic Number = Periodic Table = Elements

  Atomic Mass-Atoms=Notes

• Atomic Number = Protons = Electrons

  Atomic Mass-Atomic Number=Neutrons

• Atomic Mass=Photos=Elements

  Mass-Atomic Number=Name

Tags

NGSS.MS-PS1-1