Chemistry
The question represents the elements P, Q. R and their atomic numbers.
Answer the following using only the alphabets given — P = 13; Q = 7; R = 10
(i) Which element combines with hydrogen to form a basic gas.
(ii) Which element has an electron affinity zero.
(iii) Name the element, which forms an ionic compound with chlorine.
Related Questions
Choose the correct answer from the given options given :
The element with highest ionization potential is :
- Hydrogen
- Caesium
- Radon
- Helium
Give one word or phrase for : The tendency of an atom to attract electrons to itself when combined in a compound.
Name the element : An alkaline earth metal present in group 2 and period 3.
In the Periodic Table, elements of Period 3 are arranged in the increasing order of ionization potential as:
- B, N, CI, Ar
- Mg, Si, S, Ar
- Ar, Si, S, Mg
- Si, Ar, Cl, Mg