Chapter 1.5 Chemical Formulae Flashcards Preview

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Flashcards in Chapter 1.5 Chemical Formulae Deck (3)
1

Valency is the

number of bonds that an element can form

2

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

C Cl
4 1
1 4
CCl4

3

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

Al O
3 2
2 3
Al2O3
(Al3+)2(O2-)3