Science 8 Topic 8 Lesson 2 The Periodic Table Defenitions - Terms Flashcards
1
Q
A drawing or image of an actual thing.
A
Representation
2
Q
Elements in the same vertical column of the periodic table; also called family.
A
Group
3
Q
A horizontal row of elements in the periodic table.
A
Period
4
Q
A one - or two - letter abbreviation for an element.
A
Chemical symbol
5
Q
An arrangement of the elements showing the repeating pattern of their properties.
A
Periodic table
6
Q
The average mass of all the isotopes of an element.
A
Atomic mass
