Chemistry Midterm December 2024

Front

Elements are organized in the periodic table based on increasing

Back

atomic numbers, atomic nuclei, number of protons, all of the above.

Front

How is an element different from a compound?

Back

An element is made of a single type of atom, and a compound is made of two or more atom types.

Front

A version of an atom with the same protons but different neutrons is called?

Back

Isotope.

Front

Which group has elements with a full valence shell?

Back

Group 18.

Front

What happens when elements combine to form a compound?

Back

The atoms of both elements bind together.

Front

What is the definition of an element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

Define atomic number.

Back

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

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and properties, allowing for predictions about their behavior.