Review of Periodic table

Most elements on the periodic table are classified as __________.

• Metals
• Non-Metals
• Metaloids
• Gases

Which group on the periodic table is the most reactive Metals?

• Alkaline-earth metals - Group 2
• Alkali metals - Group 1
• Transition metals - Group 3-7
• Halogens - Group 17

Which accurately describes nonmetals?

• Both malleable and ductile
• Often used in computer parts
• Poor conductors of electricity
• Always solid at room temperature

Which group of elements is the least reactive?

• Alkaline metals - Group 1

• Alkaline-earth metals - Group 2

• Transition metals Groups 3-8

• Noble Gases - Group 18

Which properties most accurately describe the element silicon (Si), a metalloid?

• Highly conductive, solid at room temperature

• Weak conductor of electricity, solid at room temperature

• Poor conductor, transparent

• Ductile and malleable

Which group of elements on the periodic table are all gases at room temperature?

• Alkali metals - Group 1
• Halogens - Group 17
• Metalloids Groups 13-15
• Noble gases - Group 18

Non-Malleable, Less Dense, Insulators and Brittle describe what physical property group?

• Metals
• Non-Metals
• Transition Metals
• Metalloids

Transition Metals are ___________.

• Good Conductors of heat and electricity

• Noble Gasses

• Bad Conductors of heat and electricity

• sometimes a gas

A ________________________ is an electron located in the outer most shell.

• Alkali electron

• Halogen electron

• Noble electron

• Valence electron

What element is the most important element to the existence of life on Earth?

• Neon

• Helium

• Oxygen

• Carbon