SSLC (English Medium) इयत्ता १० - Tamil Nadu Board of Secondary Education Question Bank Solutions

Planting trees increases the groundwater level.

The volume occupied by 4.4 g of CO₂ at S.T.P ______

The volume occupied by 1 mole of a diatomic gas at S.T.P is ______

In the nucleus of `""_20"Ca"^40`, there are ______

Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars. 

Atoms of different elements having the same number of ______ are called isotones.

Atoms of one element can be transmuted into atoms of other elements by ______

The number of atoms present in a molecule is called its ______.

1 mole of Gold and Silver contain same number of atoms.

Give the salient features of “Modern atomic theory”.

The number of periods and groups in the periodic table are ______

______ group contains the member of the halogen family.

Which of the following have inert gases 2 electrons in the outermost shell.

If the distance between two Cl atoms in a Cl₂ molecule is 1.98Å, then the radius of the Cl atom is ______.

Among the given species A–, A+, and A, the smallest one in size is ______.

Match the following

Moseley’s periodic table is based on atomic mass.

Identify the bond between H and F in the HF molecules.

What property forms the basis of identification?

The number of components in a binary solution is ______