Metals, Nonmetal, Metaloids, REEs, PTOE

Which of the following are Elements?

• Oxygen (O)

• Hydrogen (H)

• Water (H₂O)

Tags

NGSS.MS-PS1-1

Which of the following are Compounds?

• Water (H₂O)

• Au (Gold)

• Carbon Dioxide (CO₂)

• Salt (NaCl)

Tags

NGSS.MS-PS1-1

Organize these options into the right categories

Groups:

(a) Elements

,

(b) Compounds

,

(c) Mixtures

• Salt Water

• Hydrogen (H)

• Salt (NaCl)

• Oxygen (O)

• Salt and Pepper

• Glucose (C6H12O6)

Tags

NGSS.MS-PS1-1

Organize these options into the right categories

Groups:

(a) Homogeneous Mixture

,

(b) Heterogeneous Mixture

• Mixture that appears DIFFERENT throughout

• Mixture that appears the SAME throughout

• trail mix

• lemonade

What is an Element?

• A substance that CANNOT be broken down into a simpler form

• A substance that CAN be broken down into a simpler form

What is an Compound?

• A substance that CANNOT be broken down into a simpler form

• Two or more elements that CAN be broken down into a simpler form

Match the following

• a pure substance

• element

• uniform (same)

• homogeneous mixture

• NOT uniform (different)

• heterogeneous mixture

Match the following

• 8

• Properties of Metals

• Brittle, Dull,

  Poor Conductors

• Rare Earth Elements (REEs)

• found abundantly in the Earth's crust

• total number of metalloids on staircase

• 118

• Properties of Non-Metals

• Malleable, Shiny, Good Conductors

• total number of elements on the PTOE

Match the following physical properties.

• easy to BREAK

• Ductile

• ability to BEND without breaking

• Malleable

• allows HEAT & ELECTRICITY to flow

• Conductivity

• ability to SHINE

  (shiny or dull)

• Luster

• abililty to be stretched into WIRE

• Brittle

Does this particle view show an element or a compound?

• diatomic elements

• compounds

Tags

NGSS.MS-PS1-1