Ch.2 Atoms Ions Molecules Flashcards
0
Q
What is an element
A
A particular type of atom
1
Q
What is an atom?
A
The smallest basic unit of matter
2
Q
Ionic bond
A
A bond formed by the electrical force between two ions of opposite charge
3
Q
Covalent bond
A
A bond formed when two atoms share a pair of electrons
4
Q
Molecule
A
Two or more atoms held together by covalent bonds
5
Q
Ion
A
An atom that has gained or lost an electron
