Chemistry Basic Terminology Flashcards
1
Q
What is a particle?
A
A particle is the smallest unit of a substance.
2
Q
What is a substance?
A
A substance is a unique collection of a specific particle.
NOTE: Air is not a substance (Oxygen is)
3
Q
What is a mixture?
A
A combination of 2 or more substances.
4
Q
What are the three types of particles?
A
An atom, ion and a molecule.
5
Q
What are the 4 substances?
A
- Ionic - metal and non metal atoms
- Molecular
- Covalent
- Metallic (not a real chemical substance though)
6
Q
What is a covalent compound?
A
A shared pair of electrons
7
Q
What is an ionic compound?
A
A compound formed by a metal and a non-metal element where the metal gains an electron and a non-metal loses an electron, making the atoms of the element charged (one positive and one negative).
