Question

Identify the number and kinds of atoms present in a molecule of each compound?

a. citric acid, C6H8O7
b. glycine, C2H5NO2
c. chloroform, CHCl
d. sulfur hexafluoride, SF6

Answer 1

Compound : It is a mixture of elements which are chemically bonded together in a fixed proportions.

(a) Citric acid,
`C_6H_8O_7`

In this compound, there are three types of elements present carbon, hydrogen and oxygen. There are 6 atoms of carbon element, 8 atoms of hydrogen element and 7 atoms of oxygen element.

(b) Glycine,
`C_2H_5NO_2`

In this compound, there are four types of elements present carbon, hydrogen, nitrogen and oxygen. There are 2 atoms of carbon element, 5 atoms of hydrogen element, 1 atom of nitrogen element and 2 atoms of oxygen element.

(c) Chloroform,
`CHCl_3`

In this compound, there are three types of elements present carbon, hydrogen and chlorine. There are 1 atom of carbon element, 1 atom of hydrogen element and 3 atoms of chlorine element.

(d) Sulfur hexafluoride,
`SF_6`

In this compound, there are two types of elements present sulfur and fluorine. There are 1 atom of sulfur element and 6 atoms of fluorine element.