atoms test review

What is an Atom?

• Building block of elements

• Neutron

• Unit of mass

• Atomic mass unit

Tags

NGSS.MS-PS1-1

Atomic Number

• The number of Atoms in a cell.

• The number of protons in the nucleus of an atom

• The atomic symbol that is on the periodic table.

• Electron cloud in an Atom.

What +1 charged particles are in the nucleus?

• Protons

• Neutrons

• Electrons

• Nucleus

Tags

NGSS.HS-PS1-8

Which particle is outside the nucleus?

• Protons

• Neutrons

• Electrons

• Nucleus

Which two particles account for nearly all of an atom's mass?

• Protons

• Neutrons

• Electrons

• Nucleus

Protons are:

• Positive

• Neutral

• Negative

Neutrons are:

• Positive

• Neutral

• Negative

Electrons are:

• Positive

• Neutral

• Negative

Tags

NGSS.MS-PS2-3

Match the subatomic particle with its charge

• Negative

• Proton

• Neutral

• Neutron

• Positive

• Electron

Isotopes of an element have a the SAME atomic number which means that they have the same number of ___

• Protons

• Neutrons

• Electrons

• Mass