The positively charged particle in an atom.

• Proton

• Neutron

• Electron

• Nucleus

Tags

NGSS.MS-PS1-1

Describes what an atom looks like

• Atomic Number

• Mass Number

• Electron Cloud

• Atomic Theory

The total number of protons and neutrons in the nucleus of an atom

• Atomic Number

• Mass Number

• Atomic Theory

• Electron Cloud

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

• nucleus

• electron cloud

• center

The following subatomic particles are in the nucleus.

• Protons and nucleus.

• Protons and neutrons.

• Protons and electrons

• Neutrons and electrons

Tags

NGSS.MS-PS1-1

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

Tags

NGSS.MS-PS1-1

Each row in a periodic table is called a 

• Group
• Period
• Row
• Column

Each column in the periodic table is called a 

• period
• group
• cluster
• unit