Biology 115 Exam Questions With All
Correct Answers 100% PASS
The negative subatomic particle is the - CORRECT ANSWER-electron
Which substance is NOT an element? - CORRECT ANSWER-water
The positive subatomic particle is the - CORRECT ANSWER-proton
The neutral subatomic particle is the - CORRECT ANSWER-neutron
The atomic number is determined by the number of - CORRECT ANSWER-
protons only
The nucleus of an atom contains - CORRECT ANSWER-neutrons and protons
The atomic weight (or mass) of an atom is determined by the weight of -
CORRECT ANSWER-neutrons and protons
Isotopes of the same element differ in the number of - CORRECT ANSWER-
neutrons
shell model - CORRECT ANSWER-Model of electron distribution in an atom
ion - CORRECT ANSWER-Charged atom
, In the shell model, the second shell can hold up to _____ electrons. - CORRECT
ANSWER-8
For an atom to be neutral, it must have the same number of - CORRECT
ANSWER-electrons and protons
Which components of an atom are arranged in various energy levels or orbitals? -
CORRECT ANSWER-electrons
Water is an example of a(n) - CORRECT ANSWER-compund
Which substance is NOT a compound? - CORRECT ANSWER-carbon
Magnesium has 12 protons. How many electrons are in its third energy level? -
CORRECT ANSWER-2
Of the following, an atom with the atomic number ____ would be the least
reactive. - CORRECT ANSWER-18
What is formed when an atom loses or gains an electron? - CORRECT ANSWER-
ion
The bond in table salt (NaCl) is - CORRECT ANSWER-ionic
ionic - CORRECT ANSWER-metals and non metals
covalent - CORRECT ANSWER-sharing electrons
What type of bond is formed whenever atoms share a pair of electrons? -
CORRECT ANSWER-covalent
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Correct Answers 100% PASS
The negative subatomic particle is the - CORRECT ANSWER-electron
Which substance is NOT an element? - CORRECT ANSWER-water
The positive subatomic particle is the - CORRECT ANSWER-proton
The neutral subatomic particle is the - CORRECT ANSWER-neutron
The atomic number is determined by the number of - CORRECT ANSWER-
protons only
The nucleus of an atom contains - CORRECT ANSWER-neutrons and protons
The atomic weight (or mass) of an atom is determined by the weight of -
CORRECT ANSWER-neutrons and protons
Isotopes of the same element differ in the number of - CORRECT ANSWER-
neutrons
shell model - CORRECT ANSWER-Model of electron distribution in an atom
ion - CORRECT ANSWER-Charged atom
, In the shell model, the second shell can hold up to _____ electrons. - CORRECT
ANSWER-8
For an atom to be neutral, it must have the same number of - CORRECT
ANSWER-electrons and protons
Which components of an atom are arranged in various energy levels or orbitals? -
CORRECT ANSWER-electrons
Water is an example of a(n) - CORRECT ANSWER-compund
Which substance is NOT a compound? - CORRECT ANSWER-carbon
Magnesium has 12 protons. How many electrons are in its third energy level? -
CORRECT ANSWER-2
Of the following, an atom with the atomic number ____ would be the least
reactive. - CORRECT ANSWER-18
What is formed when an atom loses or gains an electron? - CORRECT ANSWER-
ion
The bond in table salt (NaCl) is - CORRECT ANSWER-ionic
ionic - CORRECT ANSWER-metals and non metals
covalent - CORRECT ANSWER-sharing electrons
What type of bond is formed whenever atoms share a pair of electrons? -
CORRECT ANSWER-covalent
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
