Element and Compound Vocab Flashcards
1
Q
Element
A
A pure substance that cannot be broken down
2
Q
Group
A
A column on the periodic table
3
Q
Family
A
Group of elements with similar characteristics
4
Q
Period
A
A row on the periodic table
5
Q
Compound
A
A substance made of two or more elements chemically combined into a specific ratio
6
Q
Mixture
A
Two or more substances that are together in the same place but their atoms are not chemically bonded
7
Q
Atom
A
Basic particle all elements are made of
8
Q
Proton
A
- positive charge
- have mass
- found in middle (nucleus)
9
Q
Neutron
A
- neutral (no) charge
- have mass
- found in nucleus
10
Q
Electron
A
- negative charge
- found outside nucleus on orbit
11
Q
Atomic number
A
of protons
12
Q
Atomic mass
A
Average mass (decimal)
13
Q
Element symbol
A
Ex: Mg
14
Q
Element name
A
Ex: Magnesium
15
Q
Metal
A
On the left side of the periodic table