Chapter 2 Flashcards
1
Q
Atom
A
Smallest basic unit of matter (all living things are ultimately made up of atoms)
2
Q
Element
A
One particular type of atom that can not be further broken down through chemical reactions
3
Q
Compound
A
A substance made of atoms of different elements bonded together
4
Q
Ion
A
An atom that has gained or lost one or more electrons (Ions want to fill their outer most shell of electrons)
5
Q
Ionic Bond
A
A compound formed by the electrical force between oppositely charged ions
6
Q
Covalent bond
A
A bond formed when atoms share electrons
7
Q
Molecule
A
Two or more atoms held together by covalent bonds (Most common bond in living things)
