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