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प्रश्न
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
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उत्तर
A radical is an atom or group of an atom of the same or different elements that behave in the manner of positive or negative ions.
(a) NO3 – nitrate
(b) OH – hydroxide
(c) SO4 – sulphate
(d) CO3 – carbonate
संबंधित प्रश्न
Name: the Hardest Naturally Occurring Substance
Give two examples of Non-metals.
Define: Formula
Fill in the blank
The most abundant element in the atmosphere is _______.
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Indicate whether the following statement is true or false:
Noble gases are high reactive
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
Write the names of elements from the following symbol:
Ti
