States of Matter
100: Matter with a definite shape and volume
Solid
100: Solid → Liquid
→ Melting
100: The smallest unit of matter
→ Atom
100: Particle with a positive charge
→ Proton
100: The number of protons in an atom is called the ______.
→ Atomic number
200: Matter with no definite shape but has a definite volume
Liquid
200: Liquid → Solid
→ Freezing
200: The center of an atom
→ Nucleus
200: Particle with a negative charge
→ Electron
200: The mass number = protons + ______.
→ Neutrons
300: Matter with no definite shape or volume
Gas
300: Liquid → Gas
→ Evaporation/Boiling
300: The space around the nucleus where electrons are found
→ Electron cloud
300: Particle with no charge
→ Neutron
300: Draw a Bohr model with 2 protons, 2 neutrons, 2 electrons.
→ Helium
400: Matter made of charged particles
Plasma
400: Gas → Liquid
→ Condensation
400: Who is called the “father of atomic theory”?
→ John Dalton
400: Protons and neutrons are found in the ______.
→ Nucleus
400: If carbon has 6 protons, how many electrons does it have?
→ 6
500: What are the 3 main states of matter we see every day?
Solid, Liquid, Gas
500: Solid → Gas (skipping liquid)
→ Sublimation
500: The idea that matter is made of tiny particles is called the ______.
→ Atomic Theory
500: Electrons are found in the ______.
→ Electron cloud/energy levels
500: The first energy level can hold up to how many electrons?
→2