Question 1

Which group in the periodic table contains alkali metals?

Accepted Answer

1

Answer

7

Answer

12

Answer

18

Question 2

How many core electrons does an atom of chlorine have?

Accepted Answer

10

Answer

4

Answer

6

Answer

8

Question 3

How many energy levels are present in an atom of potassium?

Accepted Answer

4

Answer

2

Answer

5

Answer

3

Question 4

Which group in the periodic table contains noble gases?

Accepted Answer

18

Answer

1

Answer

8

Answer

12

Question 5

What is the atomic size trend on the periodic table from left to right across a period?

Accepted Answer

Decreases

Answer

Remains constant

Answer

Increases

Answer

Fluctuates

Question 6

What is the shielding effect in an atom?

Accepted Answer

Reduction of the attractive force between the nucleus and the valence electrons by inner shell electrons

Answer

The ability of an atom to attract electrons towards itself

Answer

The force that holds the nucleus and the electrons together

Answer

The process of adding electrons to the valence shell

Question 7

What is the nuclear pull in an atom?

Accepted Answer

The attractive force exerted by the positively charged nucleus on the electrons

Answer

The process of arranging electrons in energy levels

Answer

The force that holds the nucleus and the electrons together

Answer

The ability of an atom to gain or lose electrons

Question 8

How many periods are there in the periodic table?

Accepted Answer

7

Answer

5

Answer

6

Answer

4

Question 9

Which element is a noble gas?

Accepted Answer

Neon

Answer

Iron

Answer

Carbon

Answer

Sodium

Question 10

Which group in the periodic table contains elements with 8 valence electrons?

Accepted Answer

Group 18 (Noble Gases)

Answer

Group 1 (Alkali Metals)

Answer

Group 14 (Carbon Family)

Answer

Group 17 (Halogens)

Question 11

What is the maximum number of electrons that can occupy the first energy level of an atom?

Accepted Answer

2

Answer

8

Answer

32

Answer

18

Question 12

What is the period number of an element with the electron configuration 2,8,8,2?

Accepted Answer

Period 3

Answer

Period 5

Answer

Period 4

Answer

Period 2

Question 13

Which of the following elements has the smallest atomic size?

Accepted Answer

Helium

Answer

Neon

Answer

Oxygen

Answer

Fluorine

Question 14

Which term refers to the attraction between the protons in the nucleus of an atom and the electrons in the outermost energy level?

Accepted Answer

Nuclear pull

Answer

Shielding Effect

Answer

Core electrons

Answer

Atomic size

Question 15

Which group in the periodic table contains elements with only one valence electron?

Accepted Answer

Group 1 (Alkali Metals)

Answer

Group 7 (Halogens)

Answer

Group 18 (Noble Gases)

Answer

Group 16 (Chalcogens)

Question 16

Which term refers to the electrons in an atom that are not in the outermost energy level?

Accepted Answer

Core electrons

Answer

Energy levels

Answer

Valence electrons

Answer

Noble gases

Question 17

Which group in the periodic table contains elements with a full outer electron shell?

Accepted Answer

Group 18 (Noble Gases)

Answer

Group 13 (Boron Group)

Answer

Group 2 (Alkaline Earth Metals)

Answer

Group 17 (Halogens)

Question 18

Which of the following groups in the periodic table contains elements with similar chemical properties?

Accepted Answer

Group 1 (Alkali Metals)

Answer

Group 2 (Alkaline Earth Metals)

Answer

Group 7 (Halogens)

Answer

Group 18 (Noble Gases)

Question 19

The number of valence electrons __ as you move left to right across a period(row).

Accepted Answer

increases

Answer

decreases

Answer

stays the same

Question 20

The electrons that are NOT in the outermost energy level are called ____ electrons.

Accepted Answer

core

Question 21

Electrons that are in the outermost energy level are called ____ electrons.

Accepted Answer

valence

Question 22

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