Advertisements
Advertisements
Question
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
Options
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
Advertisements
Solution
Oxygen
APPEARS IN
RELATED QUESTIONS
The atoms of which of the following pair of elements are most likely to exist in free state ?
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Select the correct answer from the choice given below.
The symbol of mercury is
State the type of element for the following:
Neon
State the type of element for the following:
Zinc
Write the chemical formula of the following:
magnesium sulphate
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
______ of some elements are derived from Latin or Greek names of the elements.
