All transition elements are belonged to:

Group-17 elements are known as:

In Periodic Table, 2^nd & 3^rd period are called _______

The elements or group 3 to 12 are called:

When we move from left to right in a period shielding effect is ___________

Which period of the modern periodic table is considered as incomplete period

When we move from top to bottom in a group shielding effect is ____________.

When we move from top to bottom ionization energy __________ .

Group-1 is also called:

Point out the incorrect statement about electron affinity

Elements of group 1 & 2 have their valence electrons in sub shell.

When we move from left to right in a period ionization energy is ___________.

Who were trying to convert inferior metals to superior metals?

Unit of electron affinity is ___________

Which element are present in group-1?

In modern periodic table the elements in a group do not have continuously increasing

The amount of energy released when an electron is added in the outermost shell of an isolated gaseous atom is called

Moseley arranged the elements in his periodic table on the basis of:

When we move from left to right in a period atomic size is _____________

How many elements were present in Mendeleev’s periodic table?

Long form of periodic table is constructed on the bases of

Which element has high value of electro negativity ?

Transition elements are:

Unit of atomic size is _________

Actinide series is started from the elements:

In which year Moseley described his periodic law?

Group number tells about the:

Normal elements are belonged to:

In which year Mendeleev described his periodic law?

1. Who determined the correct atomic masses of elements in 1860?

How many periods are present in the modern periodic table?

How many elements present in 1^st period?

The ability of an atom to attract the shared pair of electrons toward, itself in a molecule is called:

Atomic size of lithium is ___________

Mendeleev arranged elements in his periodic table on the basis of:

The horizontal lines present in the periodic table are called ________

Mendeleev’s periodic table was based upon the

4^th and 5^th period of the long form of periodic table are called

How many groups are present in the modern periodic table?

The elements of a group show __________ properties:

Which one of the following halogens has lowest electron-egativity?

When we move from top to bottom in a group atomic size is __________.

In which year Newland put forward his observation I the form of law of octaves?

How many elements present in 6^th period?

Period number tells about the:

With increase atomic number, the number of electrons in an atom also ______

Element with Atomic no 58 to 71 are called:

Elements of group 13 to 18 have their valence electrons in sub shell.

Elements are classified into four blocks depending upon the type of the

Elements of a period show properties?

Atomic number of lanthanum is:

How many electrons present in the valence shell of group-1 elements?

Actinides are belonged to period:

Who are arranged the elements in groups of three

Along the period, which one of the following decreases:

Which elements are present in 2^nd period

Atomic size of Neon is ____________

How many elements block present in modern periodic table?

Electron affinity of fluorine in kjmil-1 is

How many elements present in 2^nd & 3^rd Period?

When we move left to right in a period atomic number _________

Which elements are present in 1st Group

In which century chemists devoted to arrange the elements in a systematic manner:

Mark the incorrect statement about ionization energy:

Groups-17 elements contains electrons in their outer most shell:

The distance between the Nuclei of two carbon atoms in its elements form is ___________

The atomic radii of the elements in periodic table

The amount of energy given out when an electron is added to an atom is called ____________

Elements with atomic No 90 to 103 are called:

The vertical columns present in the periodic table are called __________

The group-1 and group-2 and group-13 to group-17 contain the elements:

The unit of ionization energy is:

The minimum amount o energy which is required to remove an electron from the gaseous state of an atom is called

Lanthanide is belonged to period:

Lanthanides series is started from the elements:

The first ionization energy of sodium atom is ______

All transition elements are _________ .

How many elements present in 4^th & 5^th Period?

How many elements present in 7^th period?

Atomic number of actinium is: