Group 3A & 4A Of Periodic Table

Which elements listed does not belong to group 3A?

• Thallium

• Carbon

• Boron

• Aluminium

Which group 3A element is not a metal?

• Aluminium

• Gallium

• Boron

• Indium

Which of the following represents the oxidation state for group 4A elements?

• +2

• -4

• +4

• All answers are correct

A neutral atom has 6 total electrons. Which statements is true?

• It has 4 valence electron and is in group 6A

• It has 6 valence electron and is in group 3A

• It has 6 valence electron and is in group 6A

• It has 4 valence electron and is in group 4A

Atoms of different elements can join together in different arrangements to produce a variety of substance that are found on earth. There are more than 100 known elements. Which of the following best describe these elements?

• Most elements are metals

• Most elements are metalloids

• Most elements are non-metals

• Most elements are noble gases

The boiling point of the element in 3A group increase when down group.

• Yes

• No

The electronic configuration for group 3A element is ‘ ns² np² ’.

• Yes

• No

Element in group 4A tend to lose their valence electron so it get a positive charge when their electron is gain by other element from different group.

• Yes

• No

The mettalic properties of group 4A element decrease when down the group in Periodic Table.

• Yes

• No

Carbon is an element in group 4A that widely used in modern production because it has 3 solid state which is graphite,diamond and fullerenes.

• Yes

• No