Free Printable periodic table

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periodic table

Total questions: 20

Worksheet time: 25mins

Name

Class

Date

As you move down the periodic table atoms get bigger. This is because ____________.

The atoms have more mass.

The atoms have more protons.

The atoms have more energy levels

The atoms have more neutrons

As you move across the periodic table atoms tend to get smaller because, ______________.

the atoms have more mass.

the atoms have less mass

the atoms have more protons.

the atoms have less electrons.

Electronegativity is...

the ability of an atom to attract bonding electrons

the ability of an atom to lose electrons

the energy required to remove an electron from a specific atom

how easy it is to make friends.

Which statement correctly and completely identifies a trend?

Atomic radius decreases across a period and increases down a group.

Electronegativity decreases across a period and decreases down a group.

Ionization energy increases across a period and increases down a group.

Ionic radius increases across a period and increases down a group.

Sodium (Na) and potassium (K) are in the same group on the periodic table. Based on their locations, which statement about sodium and potassium is true?

Sodium is less electronegative than potassium.

Sodium has fewer energy levels than potassium.

Sodium has a larger ionic radius than potassium.

Sodium has lower ionization energy than potassium.

Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons and have a tendency to gain electrons. Which element has the greatest ionization energy and electronegativity?

fluorine

chlorine

bromine

iodine

What is the group number of this atom?

Is silicon a metal, nonmetal or metalloid?

Metal

NonMetal

Metalloid

How the elements are arrange in the periodic table?

according to alphabetical order

according to increasing atomic size

according to increasing molar mass

according to increasing proton number

10.

Why sodium (Na) and Lithium (Li) come from the same group?

Both have the same value of principle quantum number (n)

Both have the same number of valence electrons

Both are metal elements

Both are basic oxide

11.

Identify GROUP, PERIOD and BLOCK for an element with electronic configuration:

1s²2s²2p⁶3s²3p⁶

GROUP :6

PERIOD : 3

BLOCK : p

GROUP :8

PERIOD : 3

BLOCK : p

GROUP :16

PERIOD : 3

BLOCK : p

GROUP :18

PERIOD : 3

BLOCK : p

12.

Which element has an oxidation number -2

1s²2s²2p²

1s²2s²2p⁴

1s²2s²

1s²2s²2p⁶3s²

13.

Why ₆C and ₈O located in the same period?

both have the same number of valence electron

both have the same highest principle quantum number

both come from the same block

both are non-metal element

14.

Given:

W : 1s²2s²2p⁶3s²

State the formula for oxide W.

W₂O

WO₂

W₂O₂

15.

ELEMENT : K

GROUP :4

PERIOD : 4

Propose an electronic configuration for elemet K.

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁴

1s²2s²2p⁶3s²3p⁶3d⁴4s²

1s²2s²2p⁶3s²3p⁶3d²4s²

1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p²

16.

Alkaline metal are the elements from:

Group 1

Period 1

Group 2

Group 1 and Group 2

17.

Which of the following causes ionisation energy to increase when going across period 3 from left to right?

I.Increase in shielding effect

II . Decrease in atomic radius

III. Increase in nuclear charge

II and III only

I only

I and II only

I,II and III

18.

Choose the correct order in increasing ionic radii from the set below

Al³⁺; Mg²⁺, Na⁺ ; O^2-

O^2-; Na⁺; Mg²⁺, Al³⁺

Na⁺; Mg²⁺; Al³⁺; O^2-

O^2-; Al³⁺, Mg²⁺; Na⁺

19.

Na₂O is classify as

acidic oxide

amphoteric oxide

basic oxide

neutral oxide

20.

The first seven ionisation energies of element M are 786, 1577, 3229, 4356, 16080, 19790 and 23780 kJmol-1. In the Periodic Table, element M is in group

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periodic table

Total questions: 20

Worksheet time: 25mins

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