If a molecule is made of similar kind of atoms, then it is called ____________ atomic molecule.

Volume percentage decreases with increases in temperature because _____.

Polar compounds are soluble in _____ solvents.

Solubility is the amount of solute dissolved in _____ g of solvent.

Example for liquid in solid type solution is ______________

The component present in lesser amount, in a solution is called _____________

The chemical name of rust is____________

The chief ore of Aluminium is ________.

________ and ________ are called inner transition elements

Across the period, ionic radii ________(increases, decreases).

The scientist who propounded the modern periodic law is ________.

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

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

________ forms the basis of modern periodic table.

________ is the longest period in the periodical table.

If the electronegativity difference between two bonded atoms in a molecule is greater than 1.7, the nature of bonding is ______

If the radiation exposure is 100 R, it may cause ______________.

The radio isotope of ________ helps to increase the productivity of crops.

Nuclear fusion is possible only at an extremely high temperature of the order of ____ K.

The average energy released in each fusion reaction is about ________ J.

_ZX^A \(\rightarrow\) _ZY^A This reaction is possible in ______________ decay.

_zY^A \(\rightarrow\) _z+1Y^A + X ; Then X is___________

________ has the greatest penetration power.

_________is used to measure exposure rate of radiation in humans.

Abbreviation of ICRP______

Anemia can be cured by ____________ isotope

Positron is an____________.

One roentgen is equal to ____________ disintegrations per second

A source of sound is travelling with a velocity 40 km/h towards an observer and emits a sound of frequency 2000 Hz. If the velocity of sound is 1220 km/h, then the apparent frequency heard by the observer is ___________.

A whistle giving out a sound of frequency 450 Hz, approaches a stationary observer at a speed of 33 ms^–1. The frequency heard by the observer is (speed of sound = 330 ms^–1) ______.

If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____

Rapid back and forth motion of a particle about its mean position is called _____

Atomicity of phosphorous is ___________

One mole of any gas occupies ________ ml at S.T.P

The number of atoms present in a molecule is called its ____________

The average atomic mass of hydrogen is ___________ amu.

Relative atomic mass is otherwise known as __________

The sum of the numbers of protons and neutrons of an atom is called its __________

Atoms of one element can be transmuted into atoms of other element by ________

Atoms of different elements having _______ mass number, but ________ atomic numbers are called isobars.