Periodic table and atoms

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• an atom.

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Tags

NGSS.HS-PS1-1

If an atom had the same properties as fluorine (F), it would probably be located in

• period 1.
• period 2.
• group 2.
• group 17.

Tags

NGSS.HS-PS1-1

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Tags

NGSS.HS-PS1-1

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

A neutron has a charge of

• +2

• 0 or No charge

• -1

• +1

What is the atomic mass of Neon?

• 10
• 30
• 10.18
• 20.18

Tags

NGSS.HS-PS1-1

Which is a neutron?

• A
• B
• C

Tags

NGSS.MS-PS1-1

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

Tags

NGSS.HS-PS1-8

Which one of these is not a noble gas?

• Helium
• Radon
• Iodine
• Krypton

Tags

NGSS.HS-PS1-1