The energy required to remove an electron from and atom or ion
What is Ionization energy
100
A reaction that affects the nucleus of an atom
What is Nuclear reaction
200
the law that states that the repeating physical and chemical properties of elements change periodically with their atomic number
What is the periodic law
200
Mn
What is Manganese
200
Elements in group 17
What are Halogens
200
The reduction of the attractive force between a positively charged nucleus and its outermost electrons due to the cancellation of some of the positive charge by the negative charges of the inner electrons
What is Electron Shielding
200
One elements changes into another
What is Transmutation
300
an electron that is found in the outermost shell of an atom
What are valence electrons
300
Os
What is Osmium
300
unreactive group of elements
What are Noble Gases
300
Half the distance from center to center of 2 like atoms that are bonded together
What is Bond Radius
300
Man-made elements are what
What is Synthetic elements
400
a solid or liquid mixture of two or more metals
What is an alloy
400
Ac
What is Actinium
400
elements that fill the f-orbital
What are Lanthanides and Actinides
400
What happens to electronegativity when you move to the right
What is Increases
400
An element whose atomic number is greater than 106
What is Superheavy elements
500
a measure of the ability of an atom in a chemical compound to attract electrons
What is electronegativity
500
Dy
What is Dysprosium
500
metals that can use the inner shell before using the outer shell to bond
What are Transition Metals
500
The energy change that occurs when a neutral atom gains an electron