NLN-PAX science practice| 50 QUESTIONS| WITH COMPLETE SOLUTIONS
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Course
NLN PAX
Institution
Kaplan University
Atomic Number Correct Answer: the number of protons in the nucleus of an atom
Mass number Correct Answer: the sum of the number of neutrons and protons in an atomic nucleus
Neutron Correct Answer: A subatomic particle that has no charge and that is found in the nucleus of an atom
Anion ...
nln pax science practice| 50 questions| with complete solutions
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Kaplan University
NLN PAX
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NLN-PAX science practice| 50 QUESTIONS|
WITH COMPLETE SOLUTIONS
Atomic Number Correct Answer: the number of protons in the nucleus of an atom
Mass number Correct Answer: the sum of the number of neutrons and protons in an atomic
nucleus
Neutron Correct Answer: A subatomic particle that has no charge and that is found in the
nucleus of an atom
Anion Correct Answer: an ion with a negative charge, has more electrons than protons
Cations Correct Answer: an ion with a positive charge, has less electrons than protons
Proton Correct Answer: a subatomic particle that has a positive charge and that is found in the
nucleus of an atom
Period Correct Answer: A horizontal row of elements in the periodic table
Group Correct Answer: A vertical column on the periodic table
Metal Correct Answer: an element that is shiny and that conducts heat and electricity well. Has
low electronegativity and low ionization energy.
Non-metal Correct Answer: an element that conducts heat and electricity poorly. Has high
electronegativity and high ionization energy.
Noble Gases Correct Answer: group VIIA, has a full valence shell of 8 electrons, very
stable/inert.
Halogens Correct Answer: Contains nonmetals, 7 valence electrons in it's outermost energy
level. Very reactive
Ionic bond Correct Answer: formed when one or more electrons from an atom with a lower
level of ionization energy is transferred to an atom with a greater electron affinity. usually
between non-metal and metals
Covalent bond Correct Answer: When 2 or more atoms with similar electronegativities interact,
they achieve a noble gas electron configuration by sharing electrons.
Synthesis (composition) reaction Correct Answer: A reaction where two or more substances
combine to form a new compound
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