Compare hydrogen and halogens on the basis of: ion formation - Vidyadip

Question

Compare hydrogen and halogens on the basis of:
ion formation

✓

Answer

Both show a tendency to form anions because they are one electron short of the nearest inert gas configuration.
$H + e^-→ H^-$
$Cl+ e^-→Cl^-$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Question Answer]" from Study of the First Element - Hydrogen→Study of the First Element - Hydrogen — all question types→CHEMISTRY STD 9 question papers→ICSE Board STD 9 question papers→ICSE Board question paper generator→

Similar questions

Write your observation and a balanced equation in the case of the following substances being heated.
Copper carbonate.

Did Dobereiners triads also exist in the columns of Newland's Octaves? Compare and find out.

Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached ${ }_1 \mathrm{p}^1,{ }_0 \mathrm{n}^1,{ }_{-1} \mathrm{e}^0$

Explain their cleansing action?

Name five conditions for a chemical reaction. Support your answer by at least one example each.

Three elements P, Q and R have atomic numbers 4, 12 and 20 respectively.
(a) State the number of valence electrons in each of the elements
(b) Are these elements going to have similar or different chemical properties?
(c) Are these elements metals or non-metals?

In the following reaction: $A^++ B → A + B^+$. Write half-reactions for this reaction and name:

oxidizing agent
substance oxidized
reducing agent

What is the boiling point of water on the Kelvin scale? Convert it into a centigrade scale.

Explain the following:
Mass of an atom is concentrated inside the nucleus of the atom.

Explain why:
Table salts become sticky on exposure to humid air during the rainy season.