Advertisements
Advertisements
Question
Define: Elements-
Advertisements
Solution
Elements : An element is the basic form of matter that cannot be broken down into simpler substances by chemical reactions.
APPEARS IN
RELATED QUESTIONS
Give two examples of the following :
Solid + Solid mixture
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
State the type of element for the following:
Sulphur
Write the chemical formula of the following:
magnesium sulphate
Give the formula of the following gas:
Nitrogen dioxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Chloride
The chemical symbol for sodium is
Which of the following would weigh the highest?
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
