Give example. Composite radicals

Give example.

Composite radicals

One Line Answer

\[\ce{H3O^+, NH4^+, CO_3^2-, SO4^2-}\]

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Chapter 4: Measurement of Matter - Exercise [Page 57]

Chapter 4 Measurement of Matter
Exercise | Q 1. c. | Page 57

How many atoms are present in a PO₄³⁻ ion?

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

Write the names of `"HgO"` compounds :

Write the names of `"ZnCl"_2 ` compounds :

Write the names of `"H"_2"S"` compounds :

Tick (√) the correct answer.

The sulphate radical is written as S0₄^2-. What is the formula of calcium sulphate ?

Give example.

Basic radicals

Give example.

Bivalent acidic radicals

Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.

Ferrous sulphide

Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.

Potassium ferrocyanide

Fill in the blank:

Sodium chloride has two radicals. Sodium is a _____ radical while chloride is _____ radical.

Choose the correct answer from the options given below.

The number of carbon atoms in a hydrogen carbonate radical is

Fill in the blank:

A radical with one atom of sulphur and three atoms of oxygen are __________.

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.