Middle and Chemistry

What type of bond occurs when atoms share an electrion?

• ionic

• covalent

• polar

Tags

NGSS.HS-PS1-1

Which element is "tetrahedral"

• carbon

• oxygen

• hydrogen

• helium

Most of the periodic table is made up of

• gasses

• non metals

• metaloids

• metals

Tags

NGSS.HS-PS1-1

What is the smallest atom on the periodic table?

• helium

• gold

• carbon

• hydrogen

What type of bond will form between multiple molecules of water?

• covalent

• ionic

• polar

• double covalent

Tags

NGSS.HS-PS2-6

what type of bond is formed between rows 1 and 17 on the periodic table?

• ionic

• covalent

• polar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What state of matter will a liquid become if the particles gain kinetic energy?

• solid

• gas

• plasma

Tags

NGSS.MS-PS1-4

How many electrons does a one helium atom have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

Which element is known at the building blocks of life?

• hydrogen

• helium

• oxygen

• carbon

What is it called when a liquid becomes a gas?

• condinsation

• sublimation

• evaportation

Tags

NGSS.MS-PS1-4