Y7 Chem BT 6_4

Define Element:

A ​ (a)   where ​ (b)   of ​ (c)   is ​ (d)   together by ​ (e)   bonds

• pure substance
• one kind
• atom
• combined
• chemical

Define Element:

A .............​ where...............​ of ​............... is combined together by chemical bonds

Define Element:

A pure substance where one kind of a.......... is ................ together by ................... ..................

examples of metaloid elements:

Boron Silicon Germanium Arsenic Antimony

• Boron Silicon Germanium Arsenic Antimony

• Boron Silicon Germanium Arsenic Antimony

examples of metaloid elements:

B.......... S............... G................... A................ An..............

4 properties of non-metals:

• dull appearance.

• brittle and not malleable.

• poor conductor of heat and electricity.

• low melting point.

4 properties of non-metals:

1. 1. .............. ............

4 properties of non-metals:

1. 2. .............. and ............ ................

4 properties of non-metals:

1. 3.. .............. ............. of ............ and ...............

4 properties of non-metals:

1. l.............. m............ p...........