4.1 Development of Periodic Table of Elements

Report 1 / 5

Elements in the Periodic Table are arranged according to \(\underline{\hspace{4cm}}.\)

Which of the following is suitable to be filled in the blank space?

Difficulty Level: Easy

Report 2 / 5

Element	\(A\)	\(B\)
Group	15	17
Period	3	3

Which of the following are the differences of element \(A\) and \(B\)?

Difficulty Level: Easy

Report 3 / 5

Which of the following is true about the atom in the diagram?

I.		The element for the atom is in Period 3 in the Periodic Table

II.		It is a cation

III.		The element for the atom is in Group 3 in the Periodic Table

IV.		The element for the atom is in Group 17 in the Periodic Table

Difficulty Level: Medium

Report 4 / 5

The following information is about atom \(Q\) and atom \(P\).

The electron arrangement of Atom \(P\) is \(2.1\)
Element \(Q\) is located below element \(P\) in the same group in the Periodic Table

Which diagram shows the electron arrangement of atom \(Q\)?

Difficulty Level: Medium

Report 5 / 5

Which of the following is correct about the Element \(R\)?

(A)		Element \(R\) is located at Period 6 in the Periodic Table

(B)		Element \(R\) is located at Group 16 in the Periodic Table

(C)		Element \(R\) is located at Group 6 in the Periodic Table

(D)		Element \(Q\) is below Element \(R\) which is in the same group in the Periodic Table has 2 shells filled with electrons

Difficulty Level: Medium