Vocab Quiz for 9.a

What is common in metals and phosphate?

• delocalisation

• charge

• bonding type

• nothing

What is common phosphorus molecule and phosphate ion?

• delocalisation

• charge

• covalent bonding

• nothing

Organize these options into the right categories

Groups:

(a) covalent bonding

,

(b) ionic bonding

,

(c) metallic bonding

,

(d) no bonding

• argon and argon

• aluminum and chloride

• gold and silver

• Boron and fluorine

• hydrogen and helium

• brass

• sodium and sulphur

• copper and tin

• Phosphorus and chlorine

• potassium and oxygen

• iron and carbon

• magnesium and fluorine

the phenomenon keeping steel together

the alloy of zinc and copper

the alloy of tin and copper

the metals which easily corrode are somtimes called ...... metals

A ​ (a)   cation has ​ (b)   charge and it comes from a ​ (c)   atom by ​ (d)   away ​ (e)   .

• simple
• positive
• single
• giving
• electrons
• compound
• positively
• protons
• putting
• passing

An ion can be negatively ​ (a)   . When simple: it is formed by ​ (b)   up ​ (c)   . When compound: by passing ​ (d)   ​ (e)   .

• charged
• taking
• electrons
• protons
• down
• out
• away
• giving
• neutrons
• charge

Listen to the audio and complete the text for the given particle.
"Its molecule contains ​ (a)   hydrogen and ​ (b)   oxygen atoms. These atoms are organised around a(n) ​ (c)   atom.
There is ​ (d)   oxygen with double bonds and no hydrogen.

• 3
• 4
• P
• 1
• 2
• 5
• F
• K