PERIODIC TABLE

Elements in the Periodic Table of Elements are arranged in ascending order of

• Neutron numbers

• Nucleon numbers

• Proton numbers

• Electron numbers

Elements in a ..................have similar chemical properties.

• period

• group

• row

• block

How many valence electrons are in an element in group 14 in the Periodic Table?

• 4

• 14

• 7

• 8

The nucleon number of element X is 19. Element X has 10 neutrons. Which element has the same chemical properties as element X?

• Argon

• Sodium

• Chlorine

• Oxygen

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

State the group number of Fluorine atom

• 17

• 7

• 9

• 2

• Period

• Group

• Block

• Energy levels

• Valence electrons

• Proton number

• Number of neutrons

What is the name of elements in Group 2?

• Transition metals

• Halogens

• Metalloids

• Alkaline earth metals

The electronic configuration of element Z is as follows:

1s2 2s2 2p5. Describe the position of the element in the Periodic Table.

• Block p, Group 5, Period 2

• Block p, Group 15, Period 1

• Block s, Group 15, Period 2

• Block p, Group 15, Period 2