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2.1.2 Compounds, formulae and equations

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Total cards: 12•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (12)

#1
Front (Question)

what are cations

Back (Answer)

• positive ions formed by atoms (metals) losing electrons

#2
Front (Question)

what are anions

Back (Answer)

• negative ions formed by atoms (non-metals) gaining electrons

#3
Front (Question)

what is a binary compound + how to name it

Back (Answer)

• contains 2 elements only • use name of first element but change ending of second element’s name to -ide • for ionic compounds the metal ion always comes first

#4
Front (Question)

what is the ionic formula for nitrate

Back (Answer)

NO3 -

#5
Front (Question)

what is the ionic formulae for sulphate

Back (Answer)

SO4 2-

#6
Front (Question)

what is the ionic formulae for carbonate

Back (Answer)

CO3 2-

#7
Front (Question)

what is the ionic formulae for hydroxide

Back (Answer)

OH -

#8
Front (Question)

what is the ionic formulae for ammonium

Back (Answer)

NH4 +

#9
Front (Question)

what is the ionic formulae for zinc

Back (Answer)

Zn 2+

#10
Front (Question)

what is the ionic formulae for silver

Back (Answer)

Ag +

#11
Front (Question)

what is the ionic formulae for sulphide

Back (Answer)

S 2-

#12
Front (Question)

if the ion name ends with ide or ate what is the difference

Back (Answer)

• ide contains just the element • ate contains oxygen as well