Quiz for first 20 elements

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Question 1
Multiple-choice

Boron

Select the best answer

N

K

Na

B

Question 2
Multiple-choice

Magnesium

Select the best answer

Be

Al

Mg

F

Question 3
Multiple-choice

Carbon

Select the best answer

H

N

Mg

C

Question 4
Multiple-choice

Oxygen

Select the best answer

B

Mg

S

O

Question 5
Multiple-choice

Hydrogen

Select the best answer

S

Mg

H

O

Question 6
Multiple-choice

Aluminum

Select the best answer

Al

O

Ca

Be

Question 7
Multiple-choice

Lithium

Select the best answer

F

Li

Al

O

Question 8
Multiple-choice

Helium

Select the best answer

O

F

He

Al

Grade this quiz!
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