GK
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Formula mass
|
|
|
Atomic mass of each element
|
|
|
Charges of the elements or ions
|
|
|
Number of atoms or ions of each element
|
Detailed explanation-1: -A molecular formula uses chemical symbols and subscripts to indicate the exact numbers of different atoms in a molecule or compound. An empirical formula gives the simplest, whole-number ratio of atoms in a compound.
Detailed explanation-2: -A chemical formula includes the symbols of the elements in the compound and subscripts that indicate atomic mass of each element.
Detailed explanation-3: -A chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts.
Detailed explanation-4: -A subscript tells you how many atoms of each element are present in a compound or molecule. The subscript follows the symbol, or abbreviation, for the element that it belongs to. For example, the chemical formula for a molecule of water is H2O H 2 O .