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HESI A2 CHEMISTRY A2 NURSING SCHOOL ENTANCE ACTUAL EXAM EXAM NEWEST VERSION EXPECTED QUESTION AND CORRECT ANSWER FROM VERIFIED SOURCES RATED A GRADE.$17.99
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HESI A2 CHEMISTRY A2 NURSING SCHOOL ENTANCE ACTUAL EXAM EXAM
NEWEST VERSION 2024-2025 EXPECTED QUESTION AND CORRECT ANSWER
FROM VERIFIED SOURCES RATED A GRADE.
An average of the masses of 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).
✔✔CORRECT ANSWER✔✔Atomic Weight/ Atomic mass number
What group has a +1 charge ✔✔CORRECT ANSWER✔✔IA
What group has a +2 charge ✔✔CORRECT ANSWER✔✔IIA
What group has a +3 charge ✔✔CORRECT ANSWER✔✔IIIA
Density of an object realtive to water ✔✔CORRECT ANSWER✔✔Specific
Gravity
Energy of motion ✔✔CORRECT ANSWER✔✔Kinetic Energy
Stored energy ✔✔CORRECT ANSWER✔✔Potential Energy
Form of energy, measured in calories ✔✔CORRECT ANSWER✔✔Heat
, The amount of heat necessary to raise the temperature of 1g of water by 1
degree celsius. ✔✔CORRECT ANSWER✔✔Calorie
Combination of two or more pure substances. ✔✔CORRECT
ANSWER✔✔Mixture
Atoms with the same number of protons but different numbers of neutrons.
✔✔CORRECT ANSWER✔✔Isotope
Elements in group 8A of the periodic table. Have no charge and are gases
under normal conditions. (Helium, Neon, Argon, Krypton, Xenon, Radon)
✔✔CORRECT ANSWER✔✔Noble Gases
How many electrons fit in shells 1, 2, 3 & 4? ✔✔CORRECT
ANSWER✔✔2,8,18,32
Elements of group 7A. Have a charge of -1. Fluorine, Chlorine, Bromine,
Iodine. Form compounds with sodium in the form NaX. ✔✔CORRECT
ANSWER✔✔Halogens
Elements of group 1A. Have a charge of +1. Lithium, Sodium, Potassium,
Rubidium, Cesium. React with water to form hydrogen gas and a metal
hydroxide (MOH) + H2. Also from compounds with the halogens in the form
MX. Ex. NaCl. ✔✔CORRECT ANSWER✔✔Alkali Metals
An ion with a negative charge. ✔✔CORRECT ANSWER✔✔Anion
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