Show:
Vocab
Chemical/Physical changes
Element Symbols
The Periodic Table
The Periodic Table II
100
Sub atomic particle found outside the nucleus with a negative charge
What is an electron
100
A change that does not alter the composition of a material.
What are physical changes.
100
The symbol for carbon.
What is C.
100
He created the first modern table of elements.
Who is Dimitry Mendeleev.
100
Collective name for elements found in group 17 on the periodic table.
What is Halogens.
200
These are composed of only a single type of atom.
What are elements.
200
A change that results in the formation of an entirely new substance.
What are chemical changes.
200
The symbol for beryllium.
What is Be
200
The name for a column in the periodic table.
What is group/family.
200
Collective name for elements in groups 2-12 on the periodic table.
What is transition metals.
300
technique used to separate the components of a mixture based on differences in size.
What is filtration.
300
Dynamite exploding is an example of this type of change.
What is chemical change.
300
The symbol of the lightest noble gas.
What is He.
300
The name for a row of elements on the periodic table.
What is period.
400
sub-atomic particle found in the nucleus with a positive charge.
What are protons.
400
Water evaporating is an example of this type of change.
What is a physical change.
400
The symbol of the lightest alkali metal.
What is Li.
400
Collective term for elements found in group 1 of the periodic table.
What are alkali metals.
400
Collective name for elements found in group 2 on the periodic table.
What is alkaline earth elements.
500
Atoms of the same element with varying numbers of neutrons.
What are isotopes.
500
Heat produced by the combustion of natural gas is a result of this type of change.
What is a chemical change
500
The symbol for calcium.
What is Ca.
500
The group of elements found on the far right of the periodic table.
What are noble gasses.
500
This method is used for calculating the atomic mass of an element to be shown on the periodic table.
What is weighted average.