Quiz on Arrangement of Electrons and Molecules

Quiz on Arrangement of Electrons and Molecules

Assessment

Quiz

Created by

Li Xian Phua

Science

12th Grade

Hard

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum number of electrons that the 1st electron shell can hold?

2

4

18

8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons can the 2nd and 3rd electron shells hold each?

10

8

6

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electronic configuration of a sodium atom?

2, 8, 1

2, 8, 2

2, 5

2, 6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the electrons in the outermost shell called?

Valence electrons

Core electrons

Inner electrons

Nuclear electrons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many groups are there in the Periodic Table?

7

12

10

18

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do elements in the same group of the Periodic Table have in common?

Same atomic mass

Same number of valence electrons

Same number of protons

Same number of electron shells

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for a water molecule?

HO2

H2O

H2O2

OH

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of molecule is formed when atoms of the same element combine?

Molecule of an element

Molecule of a compound

Ionic compound

Covalent compound

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the subscript in a chemical formula indicate?

Charge of the molecule

Number of atoms

Mass of the molecule

Type of atom

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following represents a nitrogen molecule?

H2

N2

NH3

O2

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