Mr. Little - Chemistry Semester Exam Review 1

Which field of science studies the composition and structure of matter?

• physics

• biology

• chemistry

• biology

Tags

NGSS.MS-PS1-1

Which of the following was a major contribution to chemistry by Antoine Lavoisier?

• He showed that oxygen is required for material to burn.

• He demonstrated the presence of phlogiston in air.

• He encouraged scientists to form explanations based on philosophical arguments.

• He developed the science of alchemy.

A golf ball has more mass than a tennis ball because it _____.

• takes up more space

• contains more matter

  contains different kinds of matter

• has a definite composition

Which state of matter is characterized by having an indefinite shape, but a definite volume?

• gas

• liquid

• solid

• none of these

Tags

NGSS.MS-PS1-4

Which of the following is a physical change/

• corrosion

• explosion

• evaporation

• rotting of food

Which of the following CANNOT be classified as a substance?

• table salt

• air

• nitrogen

• gold

Which of the following is used for chemical symbols today?

• drawings

• icons

• letters

• numbers

The chemical formula of a compound does NOT indicate the ______.

• identity of the elements in the compound

• how the elements are joined in the compound

• the composition of the compound

• relative proportions of the elements in the compound

What do chemical symbols and formulas represent, respectively?

• elements and compounds

• atoms and mixtures

• compounds and mixtures

• elements and ions

Which substance has a chemical symbol that is derived from a Latin name?

• calcium (Ca)

• hydrogen (H)

• oxygen (O)

• potassium (K)