(Unit 2) Chemistry Vocabulary Flashcards
1
Q
matter
A
has mass, weight, and occupies space
2
Q
all matter is composed of…
A
atoms
3
Q
atom
A
smallest particle of matter
4
Q
1 single atom =
A
an element
ATOM=ELEMENT
5
Q
element
A
something that can not be broken down
6
Q
molecule
A
atom with another atom
7
Q
nucleus
A
center of the atom
-two subatomic particles are contained in the nucleus: PROTONS and NEUTRONS
8
Q
electrons
A
subatomic particles whizzing around the nucleus