Advertisements
Advertisements
प्रश्न
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
Advertisements
उत्तर
False. A sodium ion carries a positive charge because it has less number of electrons than a neutral atom.
APPEARS IN
संबंधित प्रश्न
Name the following radicals :
OH
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
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 ?
Define ‘formula mass’ of a compound.
Give example.
Bivalent acidic radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Calcium silicate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
State if the following element or radical is divalent?
Ammonium
State if the following element or radical is divalent?
Nitride
State if the following element or radical is divalent?
Chromium
