100% Verified accurate
Everything on Earth that has weight and occupies space is called ______, which
is/are made up of atoms of elements.
A) Energy
B) Matter
C) Elements
D) Compounds
Matter
When the atoms of elements combine, they produce _____. The smallest particle
of a(n) _____ is called a "molecule".
A) Compounds
B) Elements
C) Energy
D) Matter
Compound(s)
Atoms contain three types of subatomic particles: Electrons, protons, and
Neutrons. The ____ orbit the nucleus.
A) Electrons
B) Neutrons
C) Nuclei
D) Protrons
Electrons
Because of their weight, ____ actively participate in the transfer of energy.
A) Protons
B) Nuclei
C) Neutrons
D) Electrons
Electrons
, ____ do not participate in the flow of energy and they have a positive electrical
charge with lines of force going straight out in all directions.
A) Nuclei
B) Protons
C) Neutrons
D) Electrons
Protons
The Law of Electrical Charges states that, "Particles with like charges repel each
other."
True
False
True
The Law of Electrical Charges states that, "Particles with unlike charges repel
each other."
True
False
False
If an atom contains more electrons than protons, the atom has a negative atomic
charge.
True
False
True
If two conductive materials in contact with each other are separated, most of the
electrons will return to the original surface before the separation is complete.
True
False
True
When insulated materials are in contact with each other, electrons move to the
surface of each other, but the protons remain on the original surface.
True
False