Nonmetal
Is hydrogen a metal or non metal ?
Non metal
How many groups of metals are there?
5
Do the elements atomic number increase from right to left or left to right.
Left to right
Representation
Something acting for another
Is oxygen a gas, solid, or liquid?
Gas
Do non metals have a high or low boiling points.
Low
Is gold a metal or non metal ?
Metal
What is the first element in the periodic table.
Hydrogen
Describe Group
Elements organized together.
Has Dimtri Mendelevee’s periodic table changed over time
Yes
Are non metals stable or unstable ?
they are unatsbale
Are metals stable or unstable?
Stable
What is the periodic table
A chart showing all the elements arranged according to the repeating pattern of their property
Describe Period
A row in the periodic table
How many elements were discovered by 1869
63
Are non metals good or bad conductors of electricity ?
Bad
How many metals are there on the periodic table.
91
Who made the periodic table
Dimtri Mendeleeve.
Describe Atomic Mass
The average mass of all the isotopes of that element
does the boron family contian the metalloid
Yes
What are the two categories of non metals?
Noble gases and reactive non metals
Are there more metals or non metals on the periodic table
Metals
How many periods are in the table.
7
Describe Chemical Symbol
A one or two letter abbreviation for a element.
Are alkaline metals reactive or non reactive.
Reactive