Chemical Interactions Investigation 1

Front

What is citric acid commonly found in?

Back

Citrus fruits.

Front

What was Mendeleyev's main purpose for reorganizing the periodic table?

Back

To put elements with similar characteristics in the same column.

Front

How did the gaps in Mendeleyev's periodic table help scientists?

Back

The gaps indicated where undiscovered elements might exist.

Front

What happens when a white solid disappears in a clear liquid?

Back

It does not necessarily indicate a chemical reaction.

Tags

NGSS.MS-PS1-2

Front

What is the common name for ascorbic acid?

Back

Vitamin C.

Front

What is a chemical reaction?

Back

A process where substances combine or break apart to form new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are elements with similar properties grouped into on the periodic table?

Back

Columns or groups.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom's nucleus.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.