If an atom is represented as \( _{11}^{23}X \), which of ...
If an atom is represented as \( _{11}^{23}X \), which of the following deduction is correct?
it contains 12 protons
it forms a covalent chloride
its atomic number is 23
it is an alkali metal
Correct answer is D
Sodium has atomic / proton number of 11 and belongs to Group 1[alkali metals] on the periodic table
The gas that is the most dangerous pollutant to human is ...
The products of the combustion of candle wax are? ...
The vapour pressure of a given volume of liquid increase when the ...
The fourteen elements (atomic number 90-103) after actinium are called? ...
Which of the following does NOT contain aluminium as component? ...
The metallurgical process in which a metal is obtained in a fused state is called ...
A colored gas that is known to be poisonous and can readily damage the mucous lining of the lun...
What is the atomic number of Hydrogen? ...
Which of the following cannot be deduced from the electronic configuration of a transition metal?...