Question

valency of hydrogen its urgent​

Answer 1

Answer:

valency of hydrogen is 1.........

Explanation:

regards

Answer 2

Answer:-

Valency is the number of electrons of electrons an aton can donate or accept to form a chemical bond with another atom.

The valency of hydrogen is 1.

More Info:-

• Some elements have valency equal to 1 they are called monovalent.

Example :- Hydrogen.

• Some elements have valence equal to 2. are called divalent.

Example :- Calcium.

• Some elements have valency equal to 3 they are called trivalent.

Example :- Boron.

Some important elements with their valencies :-

$\begin{array}{| c | c | c |}\cline{1-3} \bf Elements& \bf Symbol& \bf Valency\\ \cline{1-3} \sf Hydrogen & \sf H & \sf 1\\ \cline{1-3} \sf Potassium & \sf K & \sf 1\\ \cline{1 - 3} \sf Calcium& \sf Ca& \sf 2\\ \cline{1 - 3} \sf Sulphur& \sf S & \sf 2 \\ \cline{1 - 3} \sf Sodium& \sf Na& \sf1 \\ \cline{1 - 3} \sf Oxygen& \sf O& \sf 2 \\\cline{1-3} \sf Chlorine & \sf Cl & \sf 1\\ \cline{1-3} \sf Phosphorus & \sf P & \sf 3\\ \cline{1 - 3} \sf Aluminium& \sf Al& \sf 3\\ \cline{1 - 3} \sf Magnesium& \sf Mg & \sf 2 \\ \cline{1 - 3} \sf Boron& \sf B& \sf3 \\ \cline{1 - 3} \sf Carbon& \sf C& \sf 4 \\ \cline{1 - 3}\end{array}$