Question

valencies of
What is valency ? Give the
following: oxygen , hydrogen , sodium, magte
magnesium and chlorine.
​

Answer 1

Answer:

The combining capacity of an atom is it's valency.

Oxygen = 2

Hydrogen = 1

Sodium = 1

Magnesium = 2

Chlorine = 1

Answer 2

Answer:

valence:

the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with

Explanation:

oxygen (2,6), hydrogen (1) sodium(1), chlorine (1), magnesium (2)