Ch. 7 L. 3 The Periodic Table Flashcards
1
Q
Molecule
A
A particle that contains 2 or more atoms joined together.
2
Q
Metals
A
Make up the largest group of elements on the periodic table.
3
Q
Metals
A
Are malleable
Are ductile
Are shiny when polished
Conducts heat and electricity
4
Q
Non-metals
A
A group of elements that are poor conductors of heat and electricity.
5
Q
Noble Gases
A
Are non-metallic elements in the last column of the periodic table.
6
Q
Metalloids
A
A small group of elements with some properties of metals and non-metals.
7
Q
Atomic Number
A
The number of protons in a single atom of an element.
8
Q
Periodic Table
A
A chart that shows all the known elements and their properties.
