G8 U3 Chem - Atom Molecule Compound PT

Lithium, sodium, potassium are very reactive, some of the signs are ...

• lose its luster very quickly when exposed to oxygen

• soft and shiny

• fizzle rapidly in water or catch on fire in water

• lower melting point than some other metals

The following groups are very reactive ...

Silicon is a weak conductor and has properties of both metals and nonmetals. What type of element is Silicon?

• Metalloid

• Metal

• Nonmetal

• Nonmetalloid

Nonmetals have all of these properties except...

• Nonconductor

• Dull

• Very brittle

• Malleable

Recall the name of group 8 (also known as 18) elements

State two ways groupe 7 (also known as 17) elements are similar

Malleability is ...

• not being able to transfer any heat or electricity.

• being pulled into a wire

• being able to be hammered into sheets.

• being able to attract to a magnet.

Ductility is ......

• break easily.

• being able to be pulled into wires.

• transfer heat and electricity through direct touch.

• being hammered into sheets.

What side of periodic table is metal on?

What property of metal is useful in jewelry?

• High melting point

• Electrical conductor

• Thermal conductor

• Shiny