HESI A2 CHEMISTRY / ACTUAL EXAM NEWEST
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Terms in this set (60)
The number of protons in a Atomic Number
given element.
An average of the masses of Atomic Weight/ Atomic mass number
each of the iostopes of an
element as they occur in
mature. (Represents the
number of protons and the
number of neutrons in an
element because electrons
essentially have no mass).
, What group has a +1 charge IA
What group has a +2 charge IIA
What group has a +3 charge IIIA
Density of an object realtive Specific Gravity
to water
Energy of motion Kinetic Energy
Stored energy Potential Energy
Form of energy, measured in Heat
calories
The amount of heat Calorie
necessary to raise the
temperature of 1g of water
by 1 degree celsius.
Combination of two or more Mixture
pure substances.
Isotope
Atoms with the same
number of protons but
different numbers of
neutrons.
Elements in group 8A of the Noble Gases
periodic table. Have no
charge and are gases under
normal conditions. (Helium,
Neon, Argon,
Krypton, Xenon, Radon)
How many electrons fit in 2,8,18,32
shells 1, 2, 3 & 4?
+ QUESTIONS WITH DETAILED,
CERTIFIED ANSWERS (100% CORRECT).
Practice questions for this set
Learn
Studied 7 terms
Nice work, you're crushing it
Continue studying in Learn
Terms in this set (60)
The number of protons in a Atomic Number
given element.
An average of the masses of Atomic Weight/ Atomic mass number
each of the iostopes of an
element as they occur in
mature. (Represents the
number of protons and the
number of neutrons in an
element because electrons
essentially have no mass).
, What group has a +1 charge IA
What group has a +2 charge IIA
What group has a +3 charge IIIA
Density of an object realtive Specific Gravity
to water
Energy of motion Kinetic Energy
Stored energy Potential Energy
Form of energy, measured in Heat
calories
The amount of heat Calorie
necessary to raise the
temperature of 1g of water
by 1 degree celsius.
Combination of two or more Mixture
pure substances.
Isotope
Atoms with the same
number of protons but
different numbers of
neutrons.
Elements in group 8A of the Noble Gases
periodic table. Have no
charge and are gases under
normal conditions. (Helium,
Neon, Argon,
Krypton, Xenon, Radon)
How many electrons fit in 2,8,18,32
shells 1, 2, 3 & 4?
