Pure substances composed of one type of atom that can't be decomposed by chemical changes and they're organized based on similar chemical properties in..
What is the periodic table
100
What is the region of space around the nucleus where an electron is likely to be found?
What is an orbital
100
Valence electrons are the number of electrons in the _______ energy level.
What is outermost
100
What rule said that every orbital in a sub-shell is singly occupied with ONE electron before any one orbital is doubly occupied?
What is Hunds rule
200
What scientist was given credit to the periodic table for organizing the table by increasing atomic mass?
What is Dmitri Mendeleev
200
What tells the distribution of electrons in atomic orbitals?
What is Electron Configuration
200
To find the valence electrons you can look at the electron configuration or the..
What is group numbers
200
What is an easy way to write electron configurations using the configuration of the noble gas BEFORE it?
What is a noble gas configuration
300
If the elements are in a horizontal row they are in a..
What is period
300
In an electron configuration what is the principle energy level?
What is the first number
300
How many valence electrons are in Group 7A?
What is 7 valence electrons
300
Atoms can gain or lose electrons to achieve a..
What is noble gas configuration
400
What region of the periodic table forms cations, are good conductors of heat and electricity and is located on the left side?
What is metals
400
In an electron configuration what tells the sub-levels? (s, p, d, f)
What is the letter
400
What is a model of an atom in which each dot represents a valence electron?
What is a valence dot diagram
400
When an atom becomes an ion it is either gaining or losing electrons to become..
What is stable
500
What region of the periodic table has groups 3-12 and has variable charges?
What is Transitions Metals
500
When filling orbitals in the right order you must fill them in the order of the chart from..
What is back end to front of arrow
500
How many valence electrons would the element Carbon have?
What is 4
500
If the atom has a charge of +1 then that means it's _____ 1 electron.