Choose the correct option regarding the elements A, B, C and D based on the data provided in the table.

Element Atomic number

A 3

B 11

C 9

D 17

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Q. Choose the incorrect option regarding elements Aa, Bb, Cc, and Dd based on the data provided in the table.

Choose the incorrect option regarding elements Aa, Bb, Cc, and Dd based on the data provided in the table.

Element	Atomic Number
Aa	3
Bb	11
Cc	16
Dd	21

Q. Following observations were made for three unknown solutions A, B and C. Choose the correct option regarding these solutions based on the data provided below.

Compound	pH paper	Type of dissociation
A	Yellow	Partial
B	Blue	Partial
C	Red	Complete

Following observations were made for three unknown solutions A, B and C. Choose the correct option regarding these solutions based on the data provided below.

Compound	Methyl Orange	Type of Dissociation
A	Red	Partial
B	Yellow	Partial
C	Red	Complete

Choose the incorrect option based on the data provided in the table below.

Element/ Compound	Atomicity	Molecular Formula	Empirical Formula
A	3	$C O_{2}$	-
B	-	$C_{6} H_{12} O_{6}$	-
C	2	-	O

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Choose the correct option regarding the elements A, B, C and D based on the data provided in the table.​ Element Atomic number A 3 B 11 C 9 D 17

Choose the correct option regarding the elements A, B, C and D based on the data provided in the table.

Element Atomic number

A 3

B 11

C 9

D 17