Advertisements
Advertisements
Question
Give the formula of the following gas:
Nitrogen
Solution
Nitrogen – N2
APPEARS IN
RELATED QUESTIONS
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Give the symbol and the number of atoms of the following elements present in carbon dioxide.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Iodine
State the type of element for the following:
Copper
Write the radical of the following valency:
Sodium
Give the formula of the following acid:
Carbonic
Select the correct answer from the choice in the bracket.
The formula of caustic soda.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
Antimony has the highest tensile strength.