Periodic/History

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Periodic/History

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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What is the charge of neutron?
A
-1
B
0
C
1
D
2
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What is the charge of an electron?
A
1
B
-1
C
0
D
2
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Atoms are made out of:
A
proteins, electricity, and neutrinos
B
popcorn, eggs, and nachos
C
protons, electrons, and neutrons
D
positrons, electrinos, and neutrinos
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Berylium has how many protons?
A
3
B
9
C
4
D
8
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What scientist created the periodic table?
A
Marie Curie
B
Dmitri Mendeleev
C
Niels Bohr
D
Gladys Mae West
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