Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise>Q ●

MEDIUM

10th Kerala Board

IMPORTANT

Earn 100

From which period onwards does the d-block begin?

Important Questions on Periodic Table and Electronic Configuration

MEDIUM

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise

Choose the correct statements which are applicable to d-block elements.

HARD

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise

Write the sub-shell electronic configuration of the element which comes just below the scandium?

HARD

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise

Find the oxidation state of $Fe$ in these compounds and then complete the table.

Compound	Oxidation state of $Fe$	Symbol of $Fe$ ions
${FeCl}_{2}$
${FeCl}_{3}$

HARD

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise

How does

Fe

change to

{Fe}^{2 +}

?

MEDIUM

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise>Q ●

Write down the subshell electronic configuration of

{Fe}^{2 +}

.

MEDIUM

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise>Q ●

In

{FeCl}_{3}

, iron loses

3

electrons to form

{Fe}^{3 +}

ion. If so, which will be the subshell from which iron loses the third electron?

MEDIUM

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise>Q ●

Write the electronic configuration of

{Fe}^{3 +}

on the basis of this.

HARD

10th Kerala Board

IMPORTANT

Chemistry Standard X Part 1>Chapter 1 - Periodic Table and Electronic Configuration>Exercise

Manganese is the element with atomic number

25 .

Write the sub-shell electronic configuration of Manganese

(Mn)

.