Chapter 1-Fundamental Ideas Flashcards
What are compounds?
Two or more elements combined together chemically.
What are elements made up of?
Only one type of atom.
What is an elements atomic number?
The number of protons (equal to the number of electrons)
What is an elements mass number?
The number of protons + neutrons aka the total number of particles.
Is the mass number at the bottom or top of an element?
Top
Is the atomic number at the bottom or the top of the element?
Bottom
Why is diffusion through a liquid slower than diffusion through a gas?
Because the particles of a liquid move around more slowly and there is less space between the particles.
Gas ➡️ Solid
Deposition
Solid ➡️ Gas
Sublimation
Solid ➡️ Liquid
Melting
Liquid ➡️ Solid
Freezing
Liquid ➡️ Gas
Evaporation
Gas ➡️ Liquid
Condensation
What are mixtures?
Two or more substances mixed together.
Isotopes
Atoms of the same element with different numbers of neutrons.
