Chemical Formula:
A chemical formula identifies each constituent
element by its chemical symbol and indicates the proportionate number of atoms
of each element. In empirical formulae, these proportions begin with a key element
and then assign numbers of atoms of the other elements in the compound, by
ratios to the key element.
Every
chemical compound is represented by…
a) symbol
b)
name
c) formula
d) ion
The symbolic representation of the elements that are bonded together in a compound is called………
a) chemical symbol
b) ion
c) chemical formula
d) chemical name
Which of the following is/are described by the chemical formula of a compound?
a) the type of atoms bonded
b) the combining ration among bonded atom
c) the structure of compound
d) both a and b
What is the chemical formula of common salt?
a) NaCl
b) Na2CO3
c) NH3
d) H2O
What
is the chemical formula of water?
a) HCl
b) H2CO3
c)
NH3
d) H2O
