11-20 Flashcards
0
Q
The positively charged particle found in the nucleus of an atom.
A
Proton
1
Q
The basic unit of matter.
A
Atom
2
Q
The particle with no charge found in the nucleus of an atom.
A
Neutron
3
Q
The negatively charged particle found outside the nucleus of an atom.
A
Electron
4
Q
A pure substance that consists entirely of one type of atom.
A
Element
5
Q
A group of atoms bonded together forming the smallest fundamental.
A
Molecule
6
Q
Atoms of the same element with different numbers of neutrons.
A
Isotopes
7
Q
An attraction between two or more atoms resulting in the formation of different chemical substances.
A
Chemical bonding
8
Q
Changes in chemical substances involving bond breaking and/or bond forming resulting in different chemical substances.
A
Chemical reaction
9
Q
A positively or negatively charged atom.
A
Ion
