Atomic Structure Quiz Questions

20 Questions | By Mistree55 | Updated: Mar 21, 2022 | Attempts: 1151

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This is a quiz to test your knowledge of atomic structure and the Periodic Table. All the best guys!

Questions and Answers

1.

An atom is made up of even smaller particles called
- A.
  
  Protons, neutrons, electrons
- B.
  
  Numbers, symbols, levels
- C.
  
  Molecules and compounds
- D.
  
  Anions and cations
2.

Which of the following particles has no electric charge?
- A.
  
  Proton
- B.
  
  Neutron
- C.
  
  Electron
- D.
  
  Ion
3.

An atom has very little empty space.
- A.
  
  True
- B.
  
  False
4.

The number of protons in an atom is known as the
- A.
  
  Proton number
- B.
  
  Atomic number
- C.
  
  Mass number
- D.
  
  Atomic mass
5.

This subatomic particle has a negative charge.
- A.
  
  Neutron
- B.
  
  Electron
- C.
  
  Proton
- D.
  
  Isotope
6.

This subatomic particle has a positive charge.
- A.
  
  Proton
- B.
  
  Electron
- C.
  
  Neutron
- D.
  
  Atom
7.

Calculate the number of protons, neutron, and electrons in an atom of Beryllium which has an atomic number of 4 and an atomic mass of 9.
- A.
  
  4, 4, 4
- B.
  
  4, 5, 5
- C.
  
  4, 5, 13
- D.
  
  4, 5, 4
8.

By counting the number of protons, electrons and neutron, which element does this diagram represent (make sure you count the proton in the very back that you can barely see)?
9.

The Alkali Metals are group .
- A.
  
  2
- B.
  
  13
- C.
  
  1
- D.
  
  18
10.

Group 2 elements are classsified as .
- A.
  
  Metals
- B.
  
  Nonmetals
- C.
  
  Metalloids
11.

Electrons are found
- A.
  
  Inside nucleus
- B.
  
  Outside nucleus
- C.
  
  With protons
- D.
  
  With neutrons
12.

The ? and ? are found in the nuclues.
- A.
  
  Electrons and neutron
- B.
  
  Protons and electrons
- C.
  
  Protons and neutrons
- D.
  
  Protons and electrons
13.

These particles make up the mass of an atom.
- A.
  
  Protons and neutrons
- B.
  
  Electrons and neutrons
- C.
  
  Protons and electrons
14.

This has the same number of protons, but different numbers of neutrons.
- A.
  
  Ions
- B.
  
  Isotopes
- C.
  
  Protons
- D.
  
  Neutrons
15.

Which group contains elements that are chemically stable?
- A.
  
  1
- B.
  
  2
- C.
  
  8
- D.
  
  18
16.

The element chlorine has an electron configuration of 2,8,7. It is in which group and period ?
- A.
  
  Group 7 and period 3
- B.
  
  Group 17 and period 3
- C.
  
  Group 3 and period 17
- D.
  
  Group 3 and period 7
17.

Atoms are arranged in the periodic table according to increasing numbers of
- A.
  
  Neutrons
- B.
  
  Electrons
- C.
  
  Protons
- D.
  
  Nuclei
18.

The symbol for sodium is
- A.
  
  So
- B.
  
  S
- C.
  
  N
- D.
  
  Na
19.

How an element reacts depends on the number of
- A.
  
  Protons
- B.
  
  Neutrons
- C.
  
  Electrons
20.

How many neutrons does an atom with an atomic number of 23 and a mass number of 51 have?
- A.
  
  23
- B.
  
  28
- C.
  
  51
- D.
  
  74