Science Milestones Review Periodic Table

Groups are the vertical columns on the periodic table. How many Families/Groups are there?

• 18

• 7

• 12

• 20

Elements in the same group have similar _______________.

• Protons

• Physical and Chemical Properties

• Shape

• Size

The atomic mass is the ______________ + ____________ in the atom.

• neutrons + electrons
• protons + electrons
• protons + neutrons
• electrons

Non-Metals are found ____________________.

• To the left of the stairs

• To the right of the stairs

• Includes only the elements touching the stairs

Metalloids have ___________________

• Only properties of a metal
• Only properties of a non-metal
• Can have properties of both metals and non-metals

Brittle means easily broken. Which type of element does this describe?

• Metal
• Non-metal
• Metalloid

An unknown element is a poor conductor of heat and electricity and has a dull appearance.

Which of the following classifications best describes the unknown element?

• Metal

• Nonmetal

• Metalloid

• Element

An unknown element is a good conductor of heat and electricity and has a shiny appearance.

Which of the following classifications best describes the unknown element?

• Metal

• Nonmetal

• Metalloid

• Element

An unknown element is a good conductor of heat and electricity and has a shiny appearance.

Which side of the periodic table will it be on?

• Left

• Right

Tags

NGSS.MS-PS3-3

An unknown element is a poor conductor of heat and electricity and has a dull appearance.

Which side of the periodic table would it be on?

• Left

• Right