Final Exam Review _ Unit 2 _ H Chem

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

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

NGSS.HS-PS1-2

Atoms with similar properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.

Tags

NGSS.HS-PS1-1

Each element is unique based on its number of protons, also known as the...

• atomic mass
• valence number
• atomic symbol
• atomic number

Tags

NGSS.HS-PS1-7

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
• No charge
• -1
• +1

Which is a neutron?

• A
• B
• C

Tags

NGSS.MS-PS1-1

where are the metaloids found

• far left, vertical

• stair step/diagonal

• far right horizontal

• at the bottom

A row on the Periodic Table of Elements

• family

• period

• row

• isotope