Timed Challenge - Answer & Submit | GK Mania

1 What is the chemical symbol for copper?

A) Ca

B) Cu

C) Co

D) Cr

2 What is the principle quantum number (n) related to?

A) Orientation of orbital

B) Spin of electron

C) Energy level and size

D) Shape of orbital

3 What is the lightest metal?

A) Magnesium

B) Aluminum

C) Lithium

D) Sodium

4 What is the Mohs hardness of quartz?

A) 3

B) 5

C) 9

D) 7

5 What element has the symbol Ag?

A) Silver

B) Aluminum

C) Gold

D) Argon

6 What is the hardest mineral on Mohs scale?

A) Corundum (9)

B) Diamond (10)

C) Quartz (7)

D) Topaz (8)

7 What is the mass number of deuterium?

A) 1

B) 4

C) 3

D) 2

8 Who discovered the electron?

A) J.J. Thomson

B) Ernest Rutherford

C) Niels Bohr

D) James Chadwick

9 What is the atomic number of gold?

A) 79

B) 82

C) 80

D) 78

10 What does STEM education stand for?

A) System Technology Energy Management

B) Sports Training Education Media

C) Science Tech Engineering Math

D) Standard Teaching Evaluation Method

Quiz

1 What is the chemical symbol for copper?

2 What is the principle quantum number (n) related to?

3 What is the lightest metal?

4 What is the Mohs hardness of quartz?

5 What element has the symbol Ag?

6 What is the hardest mineral on Mohs scale?

7 What is the mass number of deuterium?

8 Who discovered the electron?

9 What is the atomic number of gold?

10 What does STEM education stand for?

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Quiz

1 What is the chemical symbol for copper?

2 What is the principle quantum number (n) related to?

3 What is the lightest metal?

4 What is the Mohs hardness of quartz?

5 What element has the symbol Ag?

6 What is the hardest mineral on Mohs scale?

7 What is the mass number of deuterium?

8 Who discovered the electron?

9 What is the atomic number of gold?

10 What does STEM education stand for?

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Quiz Results