Understanding the Periodic Table

The video tutorial provides an overview of the periodic table, explaining how elements are arranged by proton number and categorized into periods and groups. It details how to determine the group number based on valence electrons and provides examples with elements like lithium, aluminium, and vanadium. The tutorial also covers the names of different groups and the positions of metals, metalloids, and nonmetals.

How are elements arranged in the periodic table?

• By atomic mass

• By electron affinity

• By neutron number

• By proton number

What is a period in the periodic table?

• A block of elements

• A diagonal line

• A horizontal row

• A vertical column

Which groups are included in the s-block of the periodic table?

• Groups 17 and 18

• Groups 3 to 12

• Groups 13 to 18

• Groups 1 and 2

How is the group number determined for elements in the p-block?

• By the number of neutrons

• By the number of protons

• By the atomic mass

• By the number of valence electrons plus 10

What is the electron configuration of lithium?

• 1s1 2s2

• 3s1 3p1

• 2s2 2p1

• 1s2 2s1

In which block and group does aluminium belong?

• s-block, Group 1

• f-block, Group 18

• p-block, Group 13

• d-block, Group 5

What is the principal quantum number for vanadium?

• 5

• 2

• 3

• 4

Which group is known as the alkali metals?

• Group 1

• Group 2

• Group 18

• Group 17

Where are most nonmetals located in the periodic table?

• Left side

• Right side

• Middle

• Bottom

What are the elements in Group 18 commonly known as?

• Alkali metals

• Noble gases

• Transition metals

• Halogens