IPC Fall 24 Review Total

Front

What is formed when elements unite chemically?

Back

Compounds are formed when elements unite chemically.

Front

What are sodium, aluminum, and chlorine examples of?

Back

Sodium, aluminum, and chlorine are examples of elements.

Front

What identity is changed when unstable nuclei break apart spontaneously?

Back

The identity of the element is changed when unstable nuclei break apart spontaneously.

Front

What isotope is used to date objects that are billions of years old?

Back

Carbon-14 is used to date objects that are billions of years old.

Front

Which element is most likely to be produced during a nuclear fusion reaction in the Sun?

Back

Helium-3 is most likely to be produced during a nuclear fusion reaction in the Sun.

Front

Define an element.

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is nuclear fusion?

Back

Nuclear fusion is a process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that are not chemically bonded, while a compound is a substance formed from two or more elements that are chemically bonded.

Front

What is radioactive decay?

Back

Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation.