Hydrogen was the first element found on the periodic table.
What element is first on the periodic table ?
100
Any pure substance that cant be broken down further by chemical means ^-^
What is an element?
100
Metals are metallic.
Are metals metallic?
100
Hydrogen is in a family all by it's self.
Is hydrogen in a family of its own?
100
Sulfur is the correct spelling.
Which is the correct spelling?
Sulfer or Sulfur
200
Phosphorus was the first element discovered.
Which element was discovered first?
200
Any substance made up of 2 or more elements
What is a compound?
200
An substance that is not a metal.
What is a metal?
200
The periodic table has 9 periods.
Does the periodic table have 9 periods?
200
Aluminum and Aluminium are the same thing! One in British and one is North American.
Which is the correct spelling?
a) Aluminium
b) Aluminum
300
The are 25 manmade elements.
How many manmade elements are in the periodic table?
300
Element: pure substance that cant be broken down
Compound: something made up of 2 or more elements
What is the differance between an element and a compound
300
An element whose properties are intermediate between those of metals and solid non-metals.
What is a metalloid?
300
Halogens and Alkali metals are very reactive.
Are Halogens and Alkali Metals very reactive?
300
K is the symbol for Potassium.
Is K the correct symbol for Potassium?
400
In total, there are 118 elements.
In total, how many elements are on the periodic table?
400
You can make a compound by combinding 2 or more elements into a substance.
How do you make a compound?
400
A solid substance that has a conductivity between an insulator and of most metals, either due to the addition of an impurity or because of temperature effects.
What is a semi conductor?
400
Alkali metals all have one valence electrons on its Bohr model.
What family only has one valence electron on each of the elements Bohr model?
400
P is the correct symbol for Phosphorus.
Is P the correct symbol for Phosphorus?
500
Adding up all the elements' atomic numbers you get the total of 2174.
What is the total number if you add up all the elements' atomic numbers?
500
A white powder that when heated, it gives a gas and a black solid.