Electronics (Villamor Test I Part I)
14 Questions
| Total Attempts: 31
Questions and Answers
- 1.What composes all matter whether a liquid, solid, or gas?
- A.
Atoms
- B.
Electrons
- C.
Neutrons
- D.
Protons
- 2.Which of the following is not a basic part of an atom?
- A.
Electron
- B.
Proton
- C.
Neutron
- D.
Coulomb
- 3.What is the smallest element of a matter?
- A.
Atom
- B.
Molecule
- C.
Crystal
- D.
Wafer
- 4.To determine whether a material can support the flow of electricity or not, we need to examine its
- A.
Atomic structure
- B.
Physical state
- C.
Molecular structure
- D.
Chemical composition
- 5.Approximate diameter of an atom
- A.
A. 10^-10 µµm
- B.
B. 10^-10 µm
- C.
C. 10^-10 mm
- D.
D. 10^-10 m
- 6.The lightest kind of atom or element
- A.
Helium
- B.
Oxygen
- C.
Hydrogen
- D.
Titanium
- 7.Known as the simplest type of atom.
- A.
Oxygen
- B.
Hydrogen
- C.
Nitrogen
- D.
Helium
- 8.Approximate diameter of a Hydrogen atom
- A.
1.1 x 10^-10 µµm
- B.
1.1 x 10^-10 µm
- C.
1.1 x 10^-10 mm
- D.
1.1 x 10^-10 m
- 9.A commonly used model in predicting the atomic structure of a material.
- A.
String model
- B.
Wave model
- C.
Particle model
- D.
Bohr model
- 10.Is at the center of an atomic structure in a Bohr model.
- A.
Electrons
- B.
Protons
- C.
Neutrons
- D.
Nucleus
- 11.The nucleus of an atom is normally
- A.
Neutral
- B.
Positively charged
- C.
Negatively charged
- D.
Either positively or negatively charged
- 12.What particles that revolve around the positive nucleus?
- A.
Electrons
- B.
Protons
- C.
Neutrons
- D.
Electrons & protons
- 13.In electricity, positive electric charge refers to ____________.
- A.
Protons
- B.
Neutrons
- C.
Electrons
- D.
Atoms
- 14.What is the charge of an electron?
- A.
1.6022 x 10^-19 C
- B.
9.1096 x 10^-19 C
- C.
1.6022 x 10^-31 C
- D.
9.1096 x 10^-31 C
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