S8P1 Milestone Review

Front

What must be added to water in order to change state from liquid to a gas?

Back

Energy or heat is required to change water from a liquid to a gas.

Tags

NGSS.MS-PS1-4

Front

What is the atomic mass of Copper?

Back

The atomic mass of Copper is 64.

Front

What is the atomic number of Palladium?

Back

The atomic number of Palladium is 46.

Front

What describes a substance's features without changing its identity?

Back

A physical property describes a substance's features without changing its identity.

Front

What subatomic particle has no charge and is located in the nucleus of an atom?

Back

A neutron is a subatomic particle that has no charge and is located in the nucleus of an atom.

Front

What is the definition of an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-2

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number and identity of an element.

Front

What is the definition of a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Tags

NGSS.MS-PS1-1

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number and properties, providing a useful reference for understanding chemical behavior.