Periodic Table Of The Elements Flashcards
1
Q
Periodic table
A
An arrangement of the elements in order of their atomic numbers such that elements with similar properties fall in the same column or group
2
Q
Chemical Symbol
A
A 1, 2, or 3 letter abbreviation of the name of an element
3
Q
Average Atomic Mass
A
The weighted average of masses of all naturally occurring isotopes of an element
4
Q
Nonmetal
A
An element that conducts heat and electricity poorly
5
Q
Metalloid
A
An element that has properties of both metal and nonmetal
6
Q
Group
A
A vertical column of elements in the periodic table; elements in a group share chemical properties
7
Q
Period
A
In chemistry, a horizontal row of elements in the periodic table
8
Q
Metal
A
An element that is shiny and that conducts heat and electricity well
