Practice Periodic Table

What does the atomic number tell us?

• number of protons
• number of neutrons

Particles in an atom's nucleus that are neutral and have no charge are 

• megatrons. 
• electrons.
• neutrons.
• protons. 

Tags

NGSS.MS-PS1-1

An atom with atomic number 6 would have how many protons?

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

What is the atomic number for an element with three protons?

• 2
• 1
• 3
• 6

What is the atomic symbol for sodium?

• Na
• So
• NaCl
• S

A negatively charged particle that moves around the nucleus is a(n)

• proton
• neutron
• electron
• quark

Tags

NGSS.MS-PS1-1

Most of the mass in an atom is concentrated in the

• electrons.
• nucleus.
• protons.
• empty space.

Tags

NGSS.MS-PS1-1

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Tags

NGSS.MS-PS1-1

Most of an atom's mass is found in the

• electrons.
• nucleus.

Tags

NGSS.HS-PS1-8

What is the mass of a proton and a neutron?

• 1amu
• 2grams
• 13amu
• 10cm