Atomic StructureEveryday Science
All atoms of the same element have the same number of what?
Neutrons
Electrons
Protons
Neutrons and Protons
Protons
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
Which of the following atom has the shortest atomic radius
A. N
B. F
C. O
D. B
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
D. nuclear energy
A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
D. 15-18 times
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