Introduction to Chemistry Test

A chemist is interested in developing new lightweight materials for flying disks. Which area of chemistry is most relevant to this work?

• Biochemistry

• Inorganic chemistry

• Organic chemistry

• Analytical chemistry

Tags

NGSS.HS-PS1-3

Explain how biochemistry differs from organic chemistry in terms of their focus of study.

• Biochemistry studies chemicals that do not contain carbon, while organic chemistry studies living organisms.

• Biochemistry focuses on processes in living organisms, while organic chemistry focuses on all chemicals containing carbon.

• Biochemistry develops new materials for buildings, while organic chemistry studies energy production.

• Biochemistry and organic chemistry are the same field.

Which area of chemistry focuses on the study of the composition of matter?

• Analytical chemistry

• Organic chemistry

• Biochemistry

• Inorganic chemistry

Which statement is true about applied chemistry?

• Research is directed toward a practical goal or application.

• Chemists do not expect any practical use for their knowledge.

• It cannot lead to any application.

• It is only theoretical and never used in real life.

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS1-5

NGSS.HS-PS3-3

A chemist is studying a chemical reaction without expecting any immediate practical use for the knowledge. Which type of chemistry is this an example of?

• Pure chemistry

• Applied chemistry

• Biochemistry

• Physical chemistry

Which of the following best describes why chemistry is considered a central science?

• Chemistry only studies living organisms.

• Chemistry overlaps all of the other sciences.

• Chemistry is unrelated to other sciences.

• Chemistry focuses only on physical changes.

What are atoms composed of?

• Protons, neutrons, and electrons

• Only protons and neutrons

• Only electrons

• Only neutrons

Tags

NGSS.MS-PS1-1

Which subatomic particle is primarily responsible for determining the reactivity of an atom?

• Proton

• Neutron

• Electron

• Nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a compound?

• A single element in its pure form

• Two or more elements held together by strong attraction forces called chemical bonds

• A mixture of gases

• A liquid solution

Tags

NGSS.MS-PS1-1

Which of the following is NOT listed as a reason why chemistry can be useful?

• Explaining the natural world

• Preparing people for career opportunities

• Producing informed citizens

• Learning a new language

Tags

NGSS.HS-ESS3-1

NGSS.HS-ETS1-1