Quiz 1: Chemistry Basics
- 1.The three basic components of an atom are:
- A.
Protons, neutrons, ions
- B.
Ions, neutrons, electrons
- C.
Protons, neutrons, electrons
- D.
Ions, electrons, protons
- 2.An element is determined by its number of:
- A.
Neutrons
- B.
Protons
- C.
Electrons
- D.
Ions
- 3.The nucleus of an atom consists of:
- A.
Electrons and protons
- B.
Electrons and neutrons
- C.
Protons and electrons
- D.
Protons and neutrons
- 4.A protons and an electron have what charges?
- A.
Positive and negative
- B.
Positive and neutral
- C.
Negative and Positive
- D.
Negative and neutral
- 5.Which particles have approximately the same size and mass?
- A.
Electrons and protons
- B.
Protons and neutrons
- C.
Neutrons and electrons
- D.
None: they are all very different in size
- 6.The atomic number of an atom is:
- A.
Its number of protons
- B.
Its number of electrons
- C.
Its number of neutrons
- D.
Its number of ions
- 7.Changing the number of neutrons in an atoms nucleus changes its:
- A.
Charge
- B.
Element
- C.
Ion
- D.
Isotope
- 8.When you change the number of electrons of an element, you produce a different:
- A.
Element
- B.
Atomic mass
- C.
Ion
- D.
Isotope
- 9.According to atomic theory, electrons are usually found:
- A.
Outside the nucleus and often far from it - most of an atom's volume is its electron cloud
- B.
In the nucleus of the atom
- C.
Either in the nucleus or around it - electrons are readily found anywhere in an atom
- D.
Outside the nucleus, yet very near it because they are attracted to the protons
- 10.Which two sub-atomic particles are attracted to each other and why?
- A.
Neutrons and Protons, because of electrostatic attraction
- B.
Protons and Electrons, because of electrostatic attraction
- C.
Neutrons and Protons, because of electronegativity and the attraction of protons
- D.
Protons and Electrons, because of electronegativity and the attraction of electrons
Questions: 10 | Attempts: 43291 | Last updated: Aug 26, 2021
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