PDF Download HESI A2 CHEMISTRY (V1 & V2) EXAM QUESTIONS Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -45 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: What is deoxyribose
Answer:
A sugar used in the formation of DNA
Question 2: Strongest bone of intermolecular forces
Answer:
hydrogen bone
Question 3: What is the charge of K in KCL
Answer:
+1
Question 4: When an electron gains one or more electrons
Answer:
Anion
Question 5: What is the mass of 1 mol or CO2
Answer:
44g/mol
Question 6: Dispersions forces are found in which covalent bond
Answer:
non-polar
Question 7: Glycogen is what kind of starch
Answer:
animal starch
Question 8: Define catalyst
Answer:
Substances that speeds up a chemical reaction Question 9: gluconegogenesis refers to:
Answer:
Glucose from proteins and fats
Question 10: Single covalent bone
Answer:
- shared electron pair (non-metal)
Question 11: What is an atom called when it LOSES 1 or more electron
Answer:
Cation Question 12: In a covalent bond compound, if the electrons are shared equally, then the bond is:
Answer:
non-polar
Question 13: Basic building block of a molecule
Answer:
atom
Question 14: Double covalent bond
Answer:
- shared electron pairs
Question 15: Group IIA charge
Answer:
+2
Question 16: What is an ionic bond
Answer:
electrical attraction between 2 oppositely charged atoms (between metals and nonmetals)
Question 17: How does an increase in concentration cause reaction acceleration?
Answer:
More potential for contact Question 18: Ionic bonding:
Answer:
formed when an atom transfers an electron to another atom
Question 19: What is chemical bonding
Answer:
The joining of an atom to form a new substance, Ionic and Covalent Question 20: Bases are:
Answer:
Proton accepts (-OH)
Question 21: Group VIIA charge
Answer:
-1 Question 22: Acids are:
Answer:
proton donors (H+) Question 23: Beta radiation has a ___ charge; they _______ products of protons or neutrons
Answer:
- or -, decomposition of a proton or neutron
Question 24: What is the molarity formula
Answer:
moles of solute/liters of solution
Question 25: Triple covalent bond
Answer:
- shared electron pairs
Question 26: Polar covalent bond:
Answer:
unequal sharing of electrons
Question 27: Group III3 charge
Answer:
+3
Question 28: 4 Different types of solutions
Answer:
Compounds, Alloys, Amalgams, Emulsion