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Bio 110 CCBC Exam #1 study guide
Questions and Answers Latest 2026
What is the charge of a proton? Ans: +
What is the charge of a neutron? Ans: 0
What is the charge of an electron? Ans: -
Atomic number Ans: the # of protons
Element Ans: are substances that cannot be broken down
into simpler substances by ordinary chemical reactions.
Isotope Ans: form of an atom w/ a specific # of neutrons.
Atomic weight (Atomic Mass) Ans: is the #that indicates
how much matter that atom contains compared w/
another atom. (# of P+) + (# of N) = atomic mass units
Kinetic energy Ans: involves adding heat energy to make
its molecules move faster, to ^ the energy of motion. /
energy in motion
Potential energy Ans: stored energy / energy @ rest
Quantum Ans: amount of energy needed to move an
electron from 1 energy lvl to the next.
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Orbital Ans: electrons move through characteristic
regions
According to the Bohr model of the atom, how many
orbitals are there in the first energy level?
How many in the second?
How many in the third? How many electrons can each
orbital contain? Ans: 1st- 2
2nd- 8
3rd- 8
Molecule Ans: two or more atoms may become joined
very strongly to form stable particle.
Ion Ans: an atom or molecule w/ a net elective charge
due to loss or gain of one or more electrons.
Ionic bond Ans: bond between ions of opposite charge
Covalent bond Ans: formed by shared pairs of electrons /
electrons shared equally
Polar covalent bond Ans: formed by shared pairs of
electrons / electrons shared UNequally.
Electronegativity Ans: ability of an atomic nucleus to
attract electrons.
Tetrahedron Ans: 4-sided regular solid or triangle
© 2025 All rights reserved
Bio 110 CCBC Exam #1 study guide
Questions and Answers Latest 2026
What is the charge of a proton? Ans: +
What is the charge of a neutron? Ans: 0
What is the charge of an electron? Ans: -
Atomic number Ans: the # of protons
Element Ans: are substances that cannot be broken down
into simpler substances by ordinary chemical reactions.
Isotope Ans: form of an atom w/ a specific # of neutrons.
Atomic weight (Atomic Mass) Ans: is the #that indicates
how much matter that atom contains compared w/
another atom. (# of P+) + (# of N) = atomic mass units
Kinetic energy Ans: involves adding heat energy to make
its molecules move faster, to ^ the energy of motion. /
energy in motion
Potential energy Ans: stored energy / energy @ rest
Quantum Ans: amount of energy needed to move an
electron from 1 energy lvl to the next.
© 2025 All rights reserved
, 2 | Page
Orbital Ans: electrons move through characteristic
regions
According to the Bohr model of the atom, how many
orbitals are there in the first energy level?
How many in the second?
How many in the third? How many electrons can each
orbital contain? Ans: 1st- 2
2nd- 8
3rd- 8
Molecule Ans: two or more atoms may become joined
very strongly to form stable particle.
Ion Ans: an atom or molecule w/ a net elective charge
due to loss or gain of one or more electrons.
Ionic bond Ans: bond between ions of opposite charge
Covalent bond Ans: formed by shared pairs of electrons /
electrons shared equally
Polar covalent bond Ans: formed by shared pairs of
electrons / electrons shared UNequally.
Electronegativity Ans: ability of an atomic nucleus to
attract electrons.
Tetrahedron Ans: 4-sided regular solid or triangle
© 2025 All rights reserved
