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Periodic Properties (Chapter Test - Medical)


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20 Questions MCQ Test | Periodic Properties (Chapter Test - Medical)

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Periodic Properties (Chapter Test - Medical) - Question 1

The electronic configuration of the element which is just above the element with atomic number 43 in the same-periodic group is

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 1

Use magic number, so atomic number would be
43 – 18 = 25

Periodic Properties (Chapter Test - Medical) - Question 2

A sudden large jump between the values of third and fourth ionization energies of an element would be associated with the electronic configuration

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 2

Biggest jump appears when element acquire noble
gas configuration
1s22s22p63s23p1 acquire configuration of Ne after
losing 3e.

Periodic Properties (Chapter Test - Medical) - Question 3

Which of the following orbitals has maximum penetration effect ?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 3

It is decided by nodal planes.

Periodic Properties (Chapter Test - Medical) - Question 4

The correct order of decreasing first ionization energy is

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 4

Trend of ionisation energy depends upon combination of factor, most important are size and stability of configuration. Be is more than B due to configuration and C has the highest value due to its size

Periodic Properties (Chapter Test - Medical) - Question 5

An element has the electronic configuration 1s22s22p63s23p63d84s2 What will be its position in the periodic table ?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 5

Electronic configuration= 1s22s22p63s23p63d84s2
highest 'n' value=4 ∴ period=4
Valence shell electrons : 3d8 4s2 , its group = 8+2=10

Periodic Properties (Chapter Test - Medical) - Question 6

Which of the following ions is smallest in size ?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 6

It is factual

Periodic Properties (Chapter Test - Medical) - Question 7

The number of elements in the fifth period of periodic table is

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 7

Number of elements is equal to number of electrons that can be filled in general configuration. 5s 4d 5p

Periodic Properties (Chapter Test - Medical) - Question 8

An element X belongs to fourth period and fifteenth group of the periodic table. Which one of the following is true regarding the outer electronic configuration of X ?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 8

Group 15 - Nitrogen family, they have filled p-orbital.

Periodic Properties (Chapter Test - Medical) - Question 9

The element with atomic number 113 has recently been discovered. Its electronic configuration would be similar  to that of

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 9

It will belong to boron family.

Periodic Properties (Chapter Test - Medical) - Question 10

Among the elements Ca, Mg, P and Cl, the order of increasing atomic radii is

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 10

It is conceptual.

Periodic Properties (Chapter Test - Medical) - Question 11

Identify the wrong statement in the following.

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 11

In Isoelectronic species, radius decreases with increase in positive charge.

Periodic Properties (Chapter Test - Medical) - Question 12

Element with atomic number 56 belongs to which block?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 12

It is an s-block element

Periodic Properties (Chapter Test - Medical) - Question 13

With which one of the following configurations, the lowest value of first I.E. is associated ?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 13

It is an alkali metal.

Periodic Properties (Chapter Test - Medical) - Question 14

Match the column I with column II and mark the appropriate choice.

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 14

It is factual

Periodic Properties (Chapter Test - Medical) - Question 15

The five successive ionisation energies of the element are 800, 2427, 3658, 25024 and 32824 kJ mol–1 respectively. The number of valence electrons is

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 15

Biggest jump indicates that element acquires noble gas configuration.

Periodic Properties (Chapter Test - Medical) - Question 16

The electronic configuration of few elements is given below. Mark the statement which is not correct about these elements.
I. 1s22s22p63s1        II. 1s22s22p5
III. 1s22s22p6            IV. 1s22s22p3

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 16

III has highest I.E. as it is a noble gas.

Periodic Properties (Chapter Test - Medical) - Question 17

Match the List I with List II and select the correct answers

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 17

It is factual

Periodic Properties (Chapter Test - Medical) - Question 18

The first ionization potential of Na is 5.1 eV. The value of electron gain enthalpy of Na+ will be

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 18

Periodic Properties (Chapter Test - Medical) - Question 19

Following statements regarding the periodic trends of chemical reactivity of the alkali metals and the halogens are given. Which of these statements gives the correct picture ?

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 19

Alkali metals are electropositive and halogens are electronegative. So, reactivity of former increases and latter decreases down the group.

Periodic Properties (Chapter Test - Medical) - Question 20

Match the atomic numbers given in column I with the block in which the element is placed in column II and mark the appropriate choice.

Detailed Solution for Periodic Properties (Chapter Test - Medical) - Question 20

It is factual

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