Question 1

If an atom has a size of 10^-10 meters, then the size of the proton must be

Accepted Answer

smaller than the atom but larger than the electrons

Answer

smaller than the atom but larger than the neutrons

Answer

smaller than the neutrons but larger than the electrons

Answer

smaller than the electrons but larger than the neutrons

Question 2

What is the best description of sublimation?

Accepted Answer

A solid going to the gaseous phase

Answer

A gas filling the space of its container

Answer

A solid going to the liquid phase

Answer

A liquid going to the gas phase

Question 3

The type of radiation observed in type X is

Accepted Answer

Gamma radiation

Answer

Alpha radiation

Answer

Beta radiation

Answer

Microwaves

Question 4

Which of the following is a mixture?

Accepted Answer

Air

Answer

Distilled water

Answer

Glucose

Answer

Carbon

Question 5

In Rutherford's gold foil experiment, he concluded that the atom is mostly made up of...

Accepted Answer

empty space

Answer

electrons

Answer

nucleus

Answer

neutrons

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