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

• potassium and oxygen

• copper and tin

• argon and argon

• Phosphorus and chlorine

• magnesium and fluorine

• aluminum and chloride

• Boron and fluorine

• sodium and sulphur

• hydrogen and helium

• brass

• gold and silver

• iron and carbon

the phenomenon keeping steel together

(a)  

the alloy of zinc and copper

(a)  

the alloy of tin and copper

(a)  

the metals which easily corrode are somtimes called (a)   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