A neutrally-charged atom that becomes a positively-charged atom of the same element can be called
a(n):
a. positron.
b. neutron.
c. ion.
d. isotope.
e. none of the above
Q. 2 -
For a neutrally-charged atom to become a positively-charged atom of the same element, it must:a.
lose a proton.
b. lose an electron.
c. gain a proton.
d. gain an electron.
e. none of the above
Q. 3 -
Covalent bonds differ from ionic bonds in that:a.
ionic bonds arise from electrical attraction between positively- and negatively-charged
ions.
b. covalent bonds arise from the sharing of one or more electrons.
c. covalent bonds can occur between atoms of the same element.
d. A and B only
e. A, B, and C
Q. 4 -
Ionic bonds occur when electrons:a.
are transferred between atoms.
b. are shared by atoms.
c. have a neutral charge.
d. have a positive charge.
e. none of the above
Q. 5 -
Isotopes of the same element have:a.
different numbers of protons but the same number of neutrons.
b. the same number of electrons and different numbers of neutrons.
c. different numbers of neutrons but the same number of protons.
d. different numbers of electrons but the same number of neutrons.
e. none of the above
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