1st 9wks Review 6th

What is an element?

• A pure substance

• composed of ONE type of atom

• found on the Periodic Table

• All of the above

What is a compound?

• A pure substance

• composed of 2 or MORE different atoms

• TWO or more elements combined

• All of the above

Which is NOT an element?

• Hydrogen - H₂

• Water - H₂O

• Oxygen Gas - O₂

• Calcium - Ca

Which group contains ONLY elements?

• Na, Cl, Au

• NaCl, SO, Li

• Po, PO, Cl,

• Cl, Al, NH

Which group contains

ONLY COMPOUNDS?

• Mn, Au, Ti

• NaCl, SO, Pt

• HO, NO, CaCo

• Xe, Ne, He

How are elements represented on the Periodic Table?

• by their Chemical ID

• by their Chemical Symbol

• by their Atomic Mass

• by their Atomic Number

Which letter represents elements?

• A

• B

• C

Which letter represents compounds?

• A

• B

• C

Box A most likely represents --

• Mixtures

• Elements

• Compounds

What does SCGLTP represent?

• the 6 signs of a Physical Change

• the 6 signs of a Chemical Change