Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

EASY

Earn 100

The elements with the outer electronic configuration $3 d^{6} 4 s^{2}$ is a:

50% studentsanswered this correctly

Important Questions on The d- and f-Block Elements

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Identify the correct statement(s) from the following:
i) There are four

d

-block series.
ii) Total d-block elements are

40

.
iii) Third d-block series starts with Lanthanum and ends with mercury.
iv) All the d-block members are metals and found in nature.

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The basic character of the transition metal monoxide follows the order

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The electronic configuration of a transition element

X

in

+ 3

state is

[Ar] 3 d^{6} .

Its atomic number is ______

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Which of the following ions will give colourless aqueous solution?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Identify the element for which electronic configuration in

+ 3

oxidation state is

[Ar] 3 d^{5} :

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Match List-I with List-II and select the correct answer using the codes given below:

List-I		List-II
(A)	Electronic configuration of americium.	1.	Corrosive Sublimate
(B)	$BM$ of ${Sm}^{3 +}, {La}^{3 +}, {Gd}^{3 +}$	2.	$[Rn] 5 f^{7} s^{2}$
(C)	$TiC l_{4} \overset{H_{2} O}{\to}$ Amphoteric white solid	3.	$5.9, 0.0, 7.94$
(D)	${Hg}_{2} C l_{2} \overset{aqua - regia}{\to}$ Compound used in antiseptic and dressing skin	4.	${TiO}_{2}$

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Number of electrons that Vanadium

(Z = 23)

has in p-orbitals is equal to:

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The electronic configuration of

Pt

(atomic number

78

) is

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Which of the following statements is incorrect for pair of elements Zr - Hf?

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The most abundant transition metal in human body is

MEDIUM

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The electronic configuration of actinides is:

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

In which of the following pairs, the outermost electronic configuration will be the same?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Which one of the following element do not occur in nature?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The outer electronic configuration of Chromium

(Cr)

is

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

A transition metal ion has configuration

[Ar] 3 d^{4}

is in tripositive oxidation state. Its atomic number is

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Write down the electronic configuration of ${Cu}^{+}$ .

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

Silver atom has completely filled

d

orbitals

(4 d^{10})

in its ground state. How can you say that it is a transition element?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

The nucleus

{}_{29}^{64}{Cu}

accepts an orbital electron to yield,

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

How many unpaired electrons are present in a

{Fe}^{2 +}

ion?

EASY

Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Electronic Configuration of d-Block Elements

What is the general outer electronic configuration of the coinage metals ?