IPC-Chem Fall Semester Exam 23-24

Which of the following is NOT a safety rule in the lab?

• Always wear safety goggles.

• Never use lab equipment without proper training.

• It's okay to mix chemicals for fun.

• Report any accidents or spills to your instructor immediately.

What is the phase change known as Deposition?

• From Gas into a Liquid

• From Liquid into a Solid

• From Solid into a Gas

• From Gas into a Solid

Compared to the particles in a liquid, the particles in a solid are

• more tightly packed

• less tightly packed

• moving at the same speed

• moving faster

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NGSS.MS-PS1-4

What does the atomic number of an element represent?

• The number of protons in the nucleus

• The number of neutrons in the nucleus

• The total mass of the atom

• The number of electrons in the outermost shell

Which of these elements is a Noble Gas?

• Ar

• Li

• Na

• K

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NGSS.HS-PS1-1

What happens to the electrons in a covalent bond?

• They are donated.

• They are gained.

• They are shared.

• They are divided.

What part of the atom is involved in chemical reactions?

• nucleus

• protons

• neutrons

• valence electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the process called where a heavy nucleus splits into two smaller nuclei?

• Friction

• Fusion

• Fission

• Fracking

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NGSS.HS-PS1-8

What process involves the splitting of a large nucleus into two or more smaller nuclei?

• Fusion

• Fission

• Friction

• Fracking

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NGSS.HS-PS1-8

Which of the following is not a use of nuclear energy?

• Space Exploration

• Food Irradiation

• Automobile Propulsion

• None of the Above

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