Hesi - Chemistry With 206 Practice Questions & Answers 2024 ( A+ GRADED
100% VERIFIED)
1. B: An atom of bismuth has a mass number of 209 and an atomic number of 83. How
many neutrons are in one bismuth atom?
A) 0.397
B) 126
C) 292
D) 2.52
2. A: How many monosaccharides are joined to form a disaccharide?
A) Two
B) Three
C) More than six
D) Six
3. C: Identify the reduction in the following redox reaction:
Fe2O3 + 3CO -> 2FeO + 3CO2
A) 3CO -> 2FeO
B) Fe2O3 -> 3CO2
C) Fe2O3 -> 2FeO
D) 3CO -> 3CO2
4. C: How many states of matter are there?
A) Six
B) Two
C) ThreeD) Five
5. B: Which of the following represents the correct electron configuration for beryllium
(Be - 4)?
A) 1s1 1s1 2p1
B) 1s^2 2s^2
C) 2s1 2s^2
,D) 2s^2 1s1
6. D: Which of the following best describes the product of a chemical equation.
A) It is a recipe
B) It is the equation
C) It is an ingredient
D) It is the desired end result.
7. C: The diameter of a carbon atom is 0.000,000,000,154m. How is this number
expressed in scientific notation?
A) 1.54 x 10(10)
B) 1.54 x 10(12)
C) 1.54 x 10(-10)
D) 1.54 x 10(-12)
8. C: Which type of chemical bond has a covalent bond in which electrons are equally
attracted to both nuclei?
A) Single covalent bond
B) Polar covalent bond
C) Nonpolar covalent bond
D) Double covalent bond
9. B: Which of the following is the metric system's basic measure of distance?
A) Inch
B) Meter
C) Yard
D) Foot
10. C: Which of the following is considered neutral on the pH scale?
A) 0
B) 10
C) 7
D) 14
11. C: H2O2 is the molecular formula for which of the following?
,A) Water oxide
B) Water
C) Hydrogen peroxideD) Hydrogen oxide
12. B: Which of the following is a balanced equation representing the decomposition of
lead (IV) oxide?
A) PbO -> Pb + O2
B) PbO2 -> Pb + O2
C) PbO2 -> Pb + 2O
D) PbO2 -> 2Pb + O
13. A: If an atom has a negative charge, what is it called?
A) Anion
B) Neutrons
C) Ion
D) Cation
14. A: Which type of bond is formed when two oppositely charged ions are
electrostatically attracted?
A) Ionic bond
B) Covalent bond
C) Chemical bond
D) Hydrogen bond
15. C: The main units of the metric system are grams, liters and which of the following?
A) Kilometers
B) Feet
C) Meters
D) Millimeters
16. A: When copper is combined with silver nitrate, the two simply swap places. This is
an example of which of the following?
A) Single replacement
B) Double replacement
, C) Synthesis
D) Decomposition
17. B: Which type of chemical bond is considered to be the weakest of all bonds?
A) Covalent bond
B) Van der Waals force
C) Hydrogen bondD) Ionic bond
18. D: In order for a solution to have a neutral pH, its pH should be which of the
following?
A) Between 0.0 and 14.0
B) Above 7.0
C) Below 7.0D) 7.0
19. B: In order to prevent an individual from having tremors, fainting, or paralysis, in
what range should his or her blood pH fall?
A) 10.0 to 10.25
B) 7.35 to 7.45
C) 0.0 to 14.0D) 5.5 to 6.5
20. A: Acids are corrosive to metals and they are also which of the following?
A) Compounds that are hydrogen or proton donors
B) Compounds that are oxygen or proton acceptors
C) Compounds that are hydrogen or proton acceptors
D) Compounds that are oxygen or proton donors
21. C: Which type of solution uses mercury to dissolve another metal type?
A) Alloys
B) Emulsions
C) Amalgams
D) Compounds
22. A: Which of the following is the metric system's basic measure of weight?
A) Gram
100% VERIFIED)
1. B: An atom of bismuth has a mass number of 209 and an atomic number of 83. How
many neutrons are in one bismuth atom?
A) 0.397
B) 126
C) 292
D) 2.52
2. A: How many monosaccharides are joined to form a disaccharide?
A) Two
B) Three
C) More than six
D) Six
3. C: Identify the reduction in the following redox reaction:
Fe2O3 + 3CO -> 2FeO + 3CO2
A) 3CO -> 2FeO
B) Fe2O3 -> 3CO2
C) Fe2O3 -> 2FeO
D) 3CO -> 3CO2
4. C: How many states of matter are there?
A) Six
B) Two
C) ThreeD) Five
5. B: Which of the following represents the correct electron configuration for beryllium
(Be - 4)?
A) 1s1 1s1 2p1
B) 1s^2 2s^2
C) 2s1 2s^2
,D) 2s^2 1s1
6. D: Which of the following best describes the product of a chemical equation.
A) It is a recipe
B) It is the equation
C) It is an ingredient
D) It is the desired end result.
7. C: The diameter of a carbon atom is 0.000,000,000,154m. How is this number
expressed in scientific notation?
A) 1.54 x 10(10)
B) 1.54 x 10(12)
C) 1.54 x 10(-10)
D) 1.54 x 10(-12)
8. C: Which type of chemical bond has a covalent bond in which electrons are equally
attracted to both nuclei?
A) Single covalent bond
B) Polar covalent bond
C) Nonpolar covalent bond
D) Double covalent bond
9. B: Which of the following is the metric system's basic measure of distance?
A) Inch
B) Meter
C) Yard
D) Foot
10. C: Which of the following is considered neutral on the pH scale?
A) 0
B) 10
C) 7
D) 14
11. C: H2O2 is the molecular formula for which of the following?
,A) Water oxide
B) Water
C) Hydrogen peroxideD) Hydrogen oxide
12. B: Which of the following is a balanced equation representing the decomposition of
lead (IV) oxide?
A) PbO -> Pb + O2
B) PbO2 -> Pb + O2
C) PbO2 -> Pb + 2O
D) PbO2 -> 2Pb + O
13. A: If an atom has a negative charge, what is it called?
A) Anion
B) Neutrons
C) Ion
D) Cation
14. A: Which type of bond is formed when two oppositely charged ions are
electrostatically attracted?
A) Ionic bond
B) Covalent bond
C) Chemical bond
D) Hydrogen bond
15. C: The main units of the metric system are grams, liters and which of the following?
A) Kilometers
B) Feet
C) Meters
D) Millimeters
16. A: When copper is combined with silver nitrate, the two simply swap places. This is
an example of which of the following?
A) Single replacement
B) Double replacement
, C) Synthesis
D) Decomposition
17. B: Which type of chemical bond is considered to be the weakest of all bonds?
A) Covalent bond
B) Van der Waals force
C) Hydrogen bondD) Ionic bond
18. D: In order for a solution to have a neutral pH, its pH should be which of the
following?
A) Between 0.0 and 14.0
B) Above 7.0
C) Below 7.0D) 7.0
19. B: In order to prevent an individual from having tremors, fainting, or paralysis, in
what range should his or her blood pH fall?
A) 10.0 to 10.25
B) 7.35 to 7.45
C) 0.0 to 14.0D) 5.5 to 6.5
20. A: Acids are corrosive to metals and they are also which of the following?
A) Compounds that are hydrogen or proton donors
B) Compounds that are oxygen or proton acceptors
C) Compounds that are hydrogen or proton acceptors
D) Compounds that are oxygen or proton donors
21. C: Which type of solution uses mercury to dissolve another metal type?
A) Alloys
B) Emulsions
C) Amalgams
D) Compounds
22. A: Which of the following is the metric system's basic measure of weight?
A) Gram
