Atoms Protons Electrons Elements

What two subatomic particles are contained in the nucleus?

• Protons + Electrons

• Neutrons + Electrons

• Atoms

• Protons + Neutrons

Electrons are located in the

• electron cloud

• nucleus

• molecule

• circles

The positive particles of an atom are ___________.

• electrons

• protons

• neutrons

The center of an atom where its neutrons and protons are is called the _____________.

• nucleus

• electron cloud

• center

An atom is made up of protons, neutrons, and electrons.  Which is the smallest subatomic particle?

• Proton

• Neutron

• Electron

• Idontknowatron

The smallest part of any element. Made up of protons, neutrons and electrons.

• Atom

• AMU

• Ion

• Isotope

Tags

NGSS.MS-PS1-1

The region inside an atom where electrons are likely to be found

• Proton

• Atom

• Electron Cloud

• Neutron

Tags

NGSS.MS-PS1-1

All matter is made of _________.

• energy 

• atoms 

• electrons 

• compounds 

Tags

NGSS.MS-PS1-1

In the modern periodic table elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

Which is an electron?

• A

• B

• C

Tags

NGSS.MS-PS1-1