Atoms and their Masses
The Electronic Behavior of Atoms
Atoms with More than One Electron
Electrons and their Chemical Behavior
How Atoms Interact
100
This is the basic unit of an element
What is an atom?
100
The amount of energy in a light when an electron jumps from the E3 level down to the E1 level. E3= -1.51 E1= -13.60
What is 12.09?
100
The ionization energy decreases as the ________ increases.
What is atomic number?
100
The electrons on the outer most shell that identify an atom from its nearest noble gas.
What is valence electrons
100
+1 +2 +3 +/-4 -3 -2 -1 0
What is the pattern of oxidation numbers throughout the periodic table?
200
A substance that cannot be broken down
What is an element?
200
The distance from crest to crest of a wave.
What is wavelength?
200
Hydrogen and Helium
What are the first two elements of the periodic table?
200
The elements in this column that are used when creating a formula and are so stable that they either do not react, or react in unusual circumstances
What is noble gases
200
A bond between a metal and a nonmetal where electrons are transferred.
What is an ionic bond?
300
Two or more elements that can be chemically separated into simpler substances
What is a compound?
300
The circular paths of an electron traveling around the nucleus.
What is orbits?
300
The amount of energy needed to totally remove an electron from an atom.
What is Ionization Energy?
300
A simple way to find out an element's number of valence electron is to look at this
What is the element's group number
300
A bond between two nonmetals in which they share electrons.
What is a covalent bond?
400
A law that states that whenever two elements combine to form a compound, they do so in a definite proportion by mass.
What is The Law of Definite Proportions.
400
The color in the Electromagnetic Spectrum that has the highest frequency as well as the energy.
What is purple?
400
The four sub-levels.
What are s, p, d, and f?
400
That maximum number of valence electrons that the representative elements can have
What is 8
400
The method used when combining elements.
What is the criss-cross method?
500
An atom or molecule made of a single type of atom vs. a molecule made of two or more different elements
What is the difference between an element and a compound?
500
The energy of a light with a frequency of 3.8 X 10E-17 Hz.
What is 2.5 X 10E-50 J?
500
True or false. The second ionization energy is always higher than the first.
What is true?
500
Having a full outer energy level makes an atom more... (think of noble gases)
What is stable
500
The number of valence electrons of the noble gases.
What is 8?
M
e
n
u