Question 1

What is the region of high probability of finding an electron called?

Accepted Answer

atomic orbital

Answer

photon

Answer

spectrum

Answer

quantum

Question 2

Which principle states the impossibility of knowing both the velocity and position of a moving particle at the same time?

Accepted Answer

Heisenberg uncertainty principle

Answer

aufbau principle

Answer

Pauli exclusion principle

Answer

quantum

Question 3

In Bohr's model of the atom, where are the electrons and protons located?

Accepted Answer

The electrons move around the protons, which are at the center of the atom.

Answer

The electrons occupy fixed positions around the protons.

Answer

The electrons and protons are located throughout the atom.

Answer

The electrons and protons move throughout the atom.

Question 4

How does the energy of an electron change when it moves closer to the nucleus?

Accepted Answer

It decreases.

Answer

It doubles.

Answer

It stays the same.

Answer

It increases.

Question 5

What is the shape of the 3p atomic orbital?

Accepted Answer

dumbbell

Answer

bar

Answer

sphere

Answer

two perpendicular dumbbells

Question 6

What is the maximum number of f orbitals in any single energy level in an atom?

Accepted Answer

7

Answer

3

Answer

1

Answer

5

Question 7

Which scientist developed the quantum mechanical model of the atom?

Accepted Answer

Erwin Schrodinger

Answer

Albert Einstein

Answer

Ernest Rutherford

Answer

Niels Bohr

Question 8

What are quanta of light called?

Accepted Answer

photons

Answer

charms

Answer

muons

Answer

excitons

Question 9

What is the maximum number of electrons in the second principal energy level?

Accepted Answer

8

Answer

2

Answer

32

Answer

18

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