Physical Science Review (ESL)

everything that has mass and takes up space.

• Matter
• Mass
• Volume
• Substance

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

change from a gas to a liquid.

• Boiling
• Evaporating
• Condensing
• Particle Diagram

Tags

NGSS.MS-PS1-4

Oxygen is a gas important for life and represents about 21% of Earth’s atmosphere. Which of the following illustrations below best represents a Bohr diagram of an oxygen atom?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

What are atoms composed of?

• Protons and electrons.
• Protons, neutrons, and electrons.
• Neutrons and electrons.
• Ions, elements, and compounds.

Tags

NGSS.MS-PS1-1

What is the mass number and name of an element with 8 protons and 8 neutrons?

• 16 - Carbon
• 16 - Oxygen
• 24 - Oxygen
• 8 - Neon

When two atoms of the same element have different masses, they are called ______, and have a different number of ______.

• Neutrons; Isotopes
• Atoms; Isotopes
• Isotopes; Protons
• Isotopes; Neutrons

Tags

NGSS.MS-PS1-1

Calcium has the atomic number 20. If it has a mass number of 46, how many neutrons are present?

• 46
• 20
• 26
• We cannot tell

Tags

NGSS.MS-PS1-1

An ion forms when an atom gains or loses

• Protons
• Neutrons
• Electrons

A neutral atom would become an ion that has a charge of 2+ by

• Gaining two protons
• Losing two protons
• Losing two electrons
• Gaining two electrons

Equation shows the radioactive decay process. Identify the type of decay.

• Gamma Decay
• Alpha Decay
• Beta Decay