Advertisements
Advertisements
Question
An element X has a valency of 2. Write the simplest formula for bromide of the element.
Advertisements
Solution
Valency of X = 2
Valency of Br = 1
Formula for bromide of element X can be worked out by crossing the valencies of the constituent elements.
Therefore, formula for bromide of X is: XBr2.
APPEARS IN
RELATED QUESTIONS
What are polyatomic ions? Give examples.
Write the names of `"HgO"` compounds :
Write the names of `"H"_2"S"` compounds :
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..............
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 X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
Select the correct answer to the statement given below:
An elementary particle of matter – of a group of atoms of different elements behaving as a single unit with charge on the group.
State if the following element or radical is divalent?
Bisulphite
