There are ---- periods on the periodic table.

• 18

• 7

This tells the number of protons and electrons in an element-

• Atomic mass

• Atomic number

• Valence electron

• Period

Tags

NGSS.MS-PS1-1

Most of the periodic table consist of ----

• Non-metals

• Metalloids

• Metals

Positively charged particle found in the nucleus of an atom

• Neutron

• Electron

• Proton

Tags

NGSS.MS-PS1-1

This is where the metalloids are located-

• Right side

• Along the zig-zag line

• Left side

• Bottom

A shorthand way of writing an element's name is called a---

• Chemical symbol

• Chemical formula

Negatively charged particle located outside of the nucleus-

• Neutron

• Electron

• Proton

Tags

NGSS.MS-PS1-1

The number of electrons found in the last energy level-

• Valence electrons

• Group electrons

• Periods

• Neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the atomic number?

• 14.00643

• 7

Tags

NGSS.MS-PS1-1

True or False: Metals have luster.

• True

• False

Tags

NGSS.MS-PS4-2