Advertisements
Advertisements
Question
The element that would form anion by gaining electrons in a chemical reaction is ______.
Options
potassium
calcium
fluorine
iron
Advertisements
Solution
The element that would form anion by gaining electrons in a chemical reaction is Fluorine
APPEARS IN
RELATED QUESTIONS
Define a chemical bond.
Give electron dot diagram of the following:
nitrogen
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
Match the column A with Column B.
|
Column A |
Column B |
|
(i) Sodium chloride (ii) Ammonium ion (iii) Carbon tetrachloride |
Covalent bond Ionic bond Covalent and coordinate bond |
What is the contribution of the following in atomic structure?
Democritus
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
Give a reason
Physical properties of isotopes are different.
State the type of bonding in the following molecules.
Calcium oxide
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
