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National 5 Chemistry > Chapter 1.5 Chemical Formulae > Flashcards

Chapter 1.5 Chemical Formulae Flashcards

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1
Q

Valency is the

A

number of bonds that an element can form

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2
Q

What is the formula of C & Cl, if C has a valency of 4 and Cl a valency of 1?

A

C Cl
4 1
1 4
CCl4

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3
Q

What is the ionic formula of aluminum oxide, if Al has a valency of 3 and O a valency of 2?

A 
Al     O
3       2
2       3
Al2O3
(Al3+)2(O2-)3
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National 5 Chemistry (15 decks)

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