First Semester Review

Front

What are subscripts in a chemical formula?

Back

Subscripts are numbers found on the lower right-hand side of an element symbol that indicate how many atoms of that element are present in a molecule.

Front

What does Newton's 3rd Law of Motion state?

Back

For every action, there is an equal and opposite reaction.

Front

What does the subscript in a chemical formula tell you?

Back

It tells you how many atoms of each element are present in a molecule.

Front

What is a compound?

Back

A compound is a chemical substance made up of two or more different types of atoms bonded together.

Front

What is the function of the nucleus in a cell?

Back

The nucleus contains the genetic material of the cell (DNA).

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a chemical formula to indicate how many molecules of that substance are present.

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 bonded together.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are the cellular structures responsible for protein synthesis.

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within a cell that contains organelles and is the site of many metabolic processes.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.