Quiz 8

Elements are arranged in mendeleev's periodic table according to

• Atomic weight

• Atomic number

• Chemical activity

• Valency

Moseley classified the element into ......sub group

• 2

• 3

• 4

• 5

The number of elements which exist in nature are

• 29

• 116

• 92

• 102

The modern periodic table consist of ........ vertical columns

• 7

• 10

• 16

• 18

Element of S-block are located in ..............in the periodic table

• Middle

• Right side

• Left side

• Below

Noble gases are located in group

• 7A

• 8

• 17

• 18

Elements of the same period have same

• No.of proton

• Atomic no

• No.of energy level

• No. Of electrons in the outer e.L

Which of the following elements lies in the same period with Mg

• N

• P

• Li

• Ca

Which of the following elements is a metallic element

• Mg

• Cl

• O

• Ne

All of the following elements are metallics except

• Teryllium

• Silicon

• Boron

• Bromine