Advertisements
Advertisements
Question
Fill in the following blank with suitable word:
The particle which is formed by the loss of electrons by an atom is called..............
Advertisements
Solution
Particle formed by the loss of electrons by its atom is called cation.
APPEARS IN
RELATED QUESTIONS
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
Name the following radicals :
HC03
The valency of calcium is 2. Write the valencies of other radical in the following :
- CaO
- Ca(OH)2
- CaC03
- CaCl2
Magnesium and oxygen combine in the ratio of 3 : 2 by mass to form magnesium oxide. What mass of oxygen gas would be required to react completely with 24 g of magnesium ?
What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?
Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
Give example.
Composite radicals
Fill in the blank:
A radical with one atom of sulphur and three atoms of oxygen are __________.
State if the following element or radical is divalent?
Bisulphite
