Chapter 1.5 Chemical Formulae Flashcards
1
Q
Valency is the
A
number of bonds that an element can form
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
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