Periodicity

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Question 1

Looking at the periodic table, the p-block is

on the left-hand side

at the top

at the bottomon the right-hand side

Wrong Answer!

2 electrons

Question 2

A d-subshell contains

10 electrons 8 electrons

6 electrons

Wrong Answer!

Question 3

Sodium is in the

d-block p-block

s-blockf-block

Wrong Answer!

Question 4

In period 3, the highest boiling point is found in

Na S

ClSi

Wrong Answer!

Question 5

Atomic radii

Decrease across a period

Decrease to the middle of a period, then increase

Increase to the middle of a period, then decrease

Increase across a period

Wrong Answer!

Question 6

First ionisation energies

Increase all the way across a period

Show a decreasing trend with some dips

Show an increasing trend with some dips

Decrease all the way across a period

Wrong Answer!

Question 7

Successive ionisation energies for Al show a big increase in value between the

first and second third and fourth

fourth and fifthsecond and third

Wrong Answer!

Question 8

Which of the following has the lowest melting point?

SiAl

MgNa

Wrong Answer!

Question 9

Which element has paired p electrons

B N

OC

Wrong Answer!

Question 10

Which element is in the d block

Fm Fe

FFr

Wrong Answer!

Congratulations!

• Define s-block, p-block, d-block elements • Explain trends in size, ionisation energy and electro

negativity in period 3 and group II• Predict trends in melting and boiling point of elements in

period 3 and group II and explain using the structure and bonding in the elements 

• Predict and explain trends in electrical conductivity in period 3