Unit 1 Review

Front

What is a graduated cylinder used for?

Back

A graduated cylinder is used to accurately measure the volume of liquids.

Front

How do you record a measurement in mL?

Back

Measurements in mL should be recorded with one decimal place, e.g., 6.60 mL.

Front

What is a mixture of elements?

Back

A mixture of elements consists of two or more elements that are physically combined but not chemically bonded.

Front

What is the primary function of lab equipment like beakers and flasks?

Back

To hold and heat liquids.

Front

What state of matter do the molecules in a liquid exhibit?

Back

In a liquid, molecules are closely packed but can move freely, allowing the liquid to flow.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the purpose of using a beaker in a lab?

Back

A beaker is used to hold, mix, and heat liquids, but it is not as precise for measuring volume as a graduated cylinder.

Front

How do you identify a compound?

Back

A compound can be identified by its chemical formula, which shows the types and numbers of atoms present.

Front

What is the significance of measuring liquids accurately in experiments?

Back

Accurate measurement of liquids is crucial for ensuring the reliability and validity of experimental results.

Front

What is a mixture of compounds?

Back

A mixture of compounds consists of two or more compounds that are physically combined but retain their individual properties.