Chemistry
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
Periodic Table
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Answer
Mg, Si, S, Ar
Reason — Ionisation potential increases across a period from left to right. Argon in period 3 has maximum ionisation potential, since its outermost shell is completely filled. Hence, the increasing order of ionisation potential of period 3 is - Mg < Si < S < Ar
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Related Questions
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.
Name the element : An alkaline earth metal present in group 2 and period 3.
The tendency of an atom to attract shared pair of electrons to itself when forming a chemical bond is known as
- Electron affinity
- Electronegativity
- lonization potential
- Nuclear charge
Elements A & B have electronic configuration : 8 & 13 respectively. The chemical formula formed between A & B will be:
- AB
- B3A3
- A2B3
- B2A3