Normal elements are belonged to:

Group-17 elements are known as:

How many groups are present in the modern periodic table?

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

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

The vertical columns present in the periodic table are called __________

Who were trying to convert inferior metals to superior metals?

Which elements are present in 2^nd period

Elements with atomic No 90 to 103 are called:

Period number tells about the:

Group number tells about the:

Along the period, which one of the following decreases:

Atomic number of lanthanum is:

How many elements present in 6^th period?

Mark the incorrect statement about ionization energy:

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

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

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

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

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

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

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

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

How many elements block present in modern periodic table?

Lanthanide is belonged to period:

Elements of a period show properties?

The first ionization energy of sodium atom is ______

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

Which element are present in group-1?

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

Mendeleev’s periodic table was based upon the

The atomic radii of the elements in periodic table

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

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

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

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

Group-1 is also called:

Unit of atomic size is _________

All transition elements are _________ .

Electron affinity of fluorine in kjmil-1 is

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

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

All transition elements are belonged to:

Atomic size of lithium is ___________

Which elements are present in 1st Group

Point out the incorrect statement about electron affinity

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

Transition elements are:

How many elements present in 1^st period?

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

How many periods are present in the modern periodic table?

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

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

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

The horizontal lines present in the periodic table are called ________

In which year Moseley described his periodic law?

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

How many elements present in 7^th period?

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

The elements or group 3 to 12 are called:

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

In which year Mendeleev described his periodic law?

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

Atomic size of Neon is ____________

Actinide series is started from the elements:

Which element has high value of electro negativity ?

The unit of ionization energy is:

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

Actinides are belonged to period:

Unit of electron affinity is ___________

Element with Atomic no 58 to 71 are called:

When we move from top to bottom ionization energy __________ .

Lanthanides series is started from the elements:

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

Atomic number of actinium is:

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

The elements of a group show __________ properties:

Long form of periodic table is constructed on the bases of

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

Who are arranged the elements in groups of three