Science Flashcards
1
Q
Element
A
A pure substance that can not be broken down
2
Q
Compound
A
A substance made of two or more elements
3
Q
Mixture
A
Two or more substanc s in the same place but not together
4
Q
Atom
A
Basic particles all elements are made of
5
Q
Proton
A
Subatomic particles with a positive charge
6
Q
Neutrons
A
Subatomic particles that are neutral
7
Q
Elections
A
Subatomic particles that has a negative charge
8
Q
Atomic number
A
Equal to number of protons
9
Q
Mass number
A
Average mass of that element
10
Q
Element symbols
A
One or two letters that symbolize a element
11
Q
Element name
A
Full name of an element
12
Q
Chemical formula
A
Symbols that show an element in a compound
13
Q
Homogeneous mixture
A
A uniform appearance through the
14
Q
Heterogeneous mixture
A
Are not uniform through the
