Advertisements
Advertisements
प्रश्न
What is the name of a particle which contains 10 electrons, 11 protons and 12 neutrons ?
उत्तर
The particle that contains 10 electrons, 11 protons and 12 neutrons is a positively-charged sodium ion (Na+).
APPEARS IN
संबंधित प्रश्न
Name the following radicals :
SO42
Name the following radicals :
OH
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
Define ‘formula mass’ of a compound.
Fill in the following blank with suitable word:
The particle which is formed by the loss or gain of electrons by an atom is called..............
An element X has a valency of 2. Write the simplest formula for oxide of the element.
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 ?
Give example.
Positive radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
State if the following element or radical is divalent?
Dichromate
