ATI TEAS 7 Chemistry Review
Practice Questions And
Correct Answers (Verified
Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the atomic number of an element?
A. Number of neutrons
B. Number of protons
C. Number of electrons and neutrons combined
D. Mass number
Answer: B. Number of protons
Rationale: The atomic number defines an element and equals
the number of protons in the nucleus.
2. Which particle has a negative charge?
A. Proton
B. Neutron
C. Electron
D. Nucleus
,Answer: C. Electron
Rationale: Electrons carry a negative charge and orbit the
nucleus.
3. What is the charge of a neutron?
A. Positive
B. Negative
C. Neutral
D. Variable
Answer: C. Neutral
Rationale: Neutrons have no electrical charge.
4. What is the most reactive group of metals?
A. Noble gases
B. Alkali metals
C. Transition metals
D. Halogens
Answer: B. Alkali metals
Rationale: Group 1 metals react vigorously due to one
valence electron.
5. What is a covalent bond?
A. Transfer of electrons
B. Sharing of electrons
,C. Sharing of neutrons
D. Transfer of protons
Answer: B. Sharing of electrons
Rationale: Covalent bonds form when atoms share electrons.
6. Which state of matter has a definite volume but no
definite shape?
A. Solid
B. Liquid
C. Gas
D. Plasma
Answer: B. Liquid
Rationale: Liquids maintain volume but take the shape of
their container.
7. What is the pH of a neutral solution?
A. 0
B. 7
C. 14
D. 10
Answer: B. 7
Rationale: Neutral solutions (like pure water) have a pH of 7.
8. What does an acid release in water?
, A. Hydroxide ions
B. Hydrogen ions
C. Oxygen ions
D. Sodium ions
Answer: B. Hydrogen ions
Rationale: Acids increase H⁺ concentration in solution.
9. What is the formula for density?
𝑚
𝜌=
𝑉
12 kg
𝜌= = 2.4 kg/L
5L
𝑚
kg
𝑉
L
Answer: ρ = m/V
Rationale: Density is mass divided by volume.
10. What is the process of a solid turning directly into a gas?
A. Condensation
B. Melting
C. Sublimation
D. Freezing
Practice Questions And
Correct Answers (Verified
Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the atomic number of an element?
A. Number of neutrons
B. Number of protons
C. Number of electrons and neutrons combined
D. Mass number
Answer: B. Number of protons
Rationale: The atomic number defines an element and equals
the number of protons in the nucleus.
2. Which particle has a negative charge?
A. Proton
B. Neutron
C. Electron
D. Nucleus
,Answer: C. Electron
Rationale: Electrons carry a negative charge and orbit the
nucleus.
3. What is the charge of a neutron?
A. Positive
B. Negative
C. Neutral
D. Variable
Answer: C. Neutral
Rationale: Neutrons have no electrical charge.
4. What is the most reactive group of metals?
A. Noble gases
B. Alkali metals
C. Transition metals
D. Halogens
Answer: B. Alkali metals
Rationale: Group 1 metals react vigorously due to one
valence electron.
5. What is a covalent bond?
A. Transfer of electrons
B. Sharing of electrons
,C. Sharing of neutrons
D. Transfer of protons
Answer: B. Sharing of electrons
Rationale: Covalent bonds form when atoms share electrons.
6. Which state of matter has a definite volume but no
definite shape?
A. Solid
B. Liquid
C. Gas
D. Plasma
Answer: B. Liquid
Rationale: Liquids maintain volume but take the shape of
their container.
7. What is the pH of a neutral solution?
A. 0
B. 7
C. 14
D. 10
Answer: B. 7
Rationale: Neutral solutions (like pure water) have a pH of 7.
8. What does an acid release in water?
, A. Hydroxide ions
B. Hydrogen ions
C. Oxygen ions
D. Sodium ions
Answer: B. Hydrogen ions
Rationale: Acids increase H⁺ concentration in solution.
9. What is the formula for density?
𝑚
𝜌=
𝑉
12 kg
𝜌= = 2.4 kg/L
5L
𝑚
kg
𝑉
L
Answer: ρ = m/V
Rationale: Density is mass divided by volume.
10. What is the process of a solid turning directly into a gas?
A. Condensation
B. Melting
C. Sublimation
D. Freezing
