Periodic/History

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Periodic/History

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Question 6 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
How many protons does Magnesium have?
A
8
B
12
C
3
D
14
Question 7 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What atom has 20 protons?
A
Sulfur
B
Calcium
C
Molybedenum
D
Fluorine
Question 8 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What is the charge of a proton?
A
2
B
+1
C
0
D
-1
Question 9 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
What element did the Frenchman discover in the Mendeleev video?
A
Thorium
B
Galium
C
Einsteinium
D
Rubidium
Question 10 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Shaliah finds an atom with 18 protons. What atom did she find?
A
Iodine
B
Bromine
C
Argon
D
Neon
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