Question

The atomic number of fluorine is 9 and its atomic mass is 19. What is the number of

neutrons present in its nucleus?​

Answer 1

Answer:

proton =9.5

NEUTRON=9.5

BCOZ P AND N ARE EQUAL IN NUCLEUS.

Answer 2

Answer:

Name                         Fluorine

Symbol                         F

Atomic Number         9  

Atomic Mass                 18.998 atomic mass units

Number of Protons 9

Number of Neutrons 10

Number of Electrons 9

Melting Point                -219.62° C

Boiling Point                  -188.14° C

Density                          1.696 grams per cubic centimeter

Normal Phase           Gas

Family                           Halogen

Period Number           2

Cost                          $190 per 100 grams