Nature of Matter Part 1: Atoms and Elements

the basic unit of matter

• atom
• molecule
• cell
• compound

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

the parts that make up an atom

• Subatomic Particles

• Molecules

• Ions

• Isotopes

Tags

NGSS.MS-PS1-1

positively charged particles

• Neutrons
• Photons
• Electrons
• Protons

Tags

NGSS.MS-PS2-3

negatively charged particles

• Electrons
• Photons

• Neutrons
• Protons

Tags

NGSS.MS-PS1-5

NGSS.MS-PS2-3

negatively charged particles

• Electrons
• Photons

• Neutrons
• Protons

Tags

NGSS.MS-PS2-3

particles without a charge (neutral)

• electrons
• protons
• photon

• neutrons

a pure substance that consists entirely of one type of atom

• Compound
• Element
• Mixture
• Alloy

What is the atomic number of gold?

Tags

NGSS.MS-PS1-1

What is the atomic mass of gold?

Tags

NGSS.HS-PS1-1

What is the mass number of gold?