Periodic Classification | 291 plays

1.

Multiple Choice

30 sec

1 pt

_____ group contains the member of

halogen family.

18th

15th

17th

16th

2.

Multiple Choice

30 sec

1 pt

The electronic configuration of an element M is 2, 8, 4. In modern periodic table, the element M is placed in

13th

14th

15th

16th

3.

Multiple Choice

30 sec

1 pt

Atoms of elements in group 1 have

one electron in its outermost orbit

two electrons in its outermost orbit

three electrons in its outermost orbit

four electrons in its outermost orbit

4.

Multiple Choice

30 sec

1 pt

According to the periodic Law of elements, the variation in properties of elements is related to their

atomic mass

atomic number

mass of proton

mass of neutron

5.

Multiple Choice

30 sec

1 pt

Noble gases are present in-------- group

13th

15th

17th

18th

6.

Multiple Choice

30 sec

1 pt

The general electronic configuration of d-block elements is ---------

(n-1)d^1-10 ns¹

(n-1)d^1-10 ns²

(n-1)d^1-10 ns^1-2

(n-1)d^1-10 ns⁰

7.

Multiple Choice

30 sec

1 pt

The first inner transistion series begins from------- group

5th

4th

6th

7th

8.

Multiple Choice

30 sec

1 pt

Actinoids are --------

naturally occuring elements

man made

radioactive

both option 2 and 3

9.

Multiple Choice

30 sec

1 pt

Where would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table?

GROUP 15, PERIOD 3

GROUP 18, PERIOD 3

GROUP 15, PERIOD 3

GROUP 18, PERIOD 2

10.

Multiple Choice

30 sec

1 pt

The number of periods and groups in the

periodic table are______.

6,16

7,17

8,18

7,18

11.

Multiple Choice

5 mins

1 pt

Which model represents the most reactive atom?

12.

Multiple Choice

30 sec

1 pt

At the time of Mendeleev, the number of elements known was

(a) 63

(b) 65

(c) 62

(d) 64

13.

Multiple Choice

30 sec

1 pt

The properties of eka-aluminium predicted by Mendeleev are the same as the properties of later discovered element

(a) Scandium

(b) Germanium

(c) Gallium

(d) Aluminium

14.

Multiple Choice

30 sec

1 pt

The arrangement of elements in the Modem Periodic Table is based on their

(a) increasing atomic mass in the period

(b) increasing atomic number in the horizontal rows

(c) increasing atomic number in the vertical columns

(d) increasing atomic mass in the group

15.

Multiple Choice

30 sec

1 pt

Where would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table?

(a) Group 8

(b) Group 2

(c) Group 18

(d) Group 10

16.

Multiple Choice

30 sec

1 pt

1.Newlands relation is called

a) Musical Law

(b) Law of Octaves

(c) Periodic Law

(d) Atomic Mass Law

17.

Multiple Choice

30 sec

1 pt

Which one of the following is a Dobereiner Triad?

Na,Ca,Al

Li,Na,Ca

Li,Na,K

F,Cl,Br

18.

Multiple Choice

30 sec

1 pt

Newland classified ________ elements.

63

118

65

56

19.

Multiple Choice

30 sec

1 pt

Eka silicone is now called

Germanium

Aluminium

Gallium

Scandium

20.

Fill in the Blank

30 sec

1 pt

In Mendeleev's periodic table, the position of ________ was not defined

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