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Features Of Periodic Table
Categories Of The PD
Elements
Parts Of The Atom
Element Symbols
100
The line separating metals from non-metals
What is the stair step?
100
The category with the most elements including nickel, iron, and gold
What are the transition metals?
100
Located in the transition metals, this element has an atomic number of 29
What is copper?
100
Contains protons and neutrons and is the middle of the atom
What is the nucleus?
100
This element has an atomic number of 5 and has the symbol B
What is boron?
200
The up and down columns, there are 18
What are groups?
200
The category of elements on the far right of the periodic table and don't react to anything
What are the noble gases?
200
This element is the first element in the periodic table
What is hydrogen?
200
The part of the atom that gives off a positive charge and is 1 AMU
What is a proton?
200
This element's symbol is Cl with an atomic number of 17
What is chlorine?
300
The side to side rows, there are 7
What are periods?
300
The category of elements to the far left of the periodic table and are very reactive
What are the alkali metals?
300
This element is part of the noble gases with an atomic number of 10
What is neon?
300
The part of the atom that has no charge and has the mass of 1 AMU
What is a neutron?
300
This element has the symbol Fe
What is iron?
400
The elements to the right of the stair step
What are non-metals?
400
The category of elements just to the right of the alkali metals, these elements are very reactive
What are the alkaline earth metals?
400
 A part of the actinide series, this element has an atomic number of 92 
What is uranium?
400
The part of the atom that has a negative charge and has no mass
What is an electron?
400
This element's symbol is K
What is potassium?
500
The elements to the left of the stair step
What are metals?
500
The category of elements at the very bottom of the periodic table, the element actinium is the first element in this series
What is the actinide series?
500
Part of the transition metals, this element has 47 protons
What is silver?
500
The area around the nucleus, it is filled with electrons
What is the electron cloud?
500
This element has the symbol Ra
What is radium?