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Atoms!
Mixtures and Vocab
The Periodic Table
Changes and Charges
Extra! Extra!
100
This is the number of which the elements are organized on the periodic table and gives you the number of protons in an atom.
What is the atomic number?
100
The measure of an objects mass to its volume
What is density?
100
Who was Dmitri Mendeleev?
Russian scientist who started the periodic table
100
The ability of iron to form rust when combined with air is what kind of property?
Chemical
100
Roy G. Biv
What are the colors of the visible light spectrum on the ELECTROMAGNETIC SPECTRUM
200
This is where the protons and neutrons are found.
What is the nucleus? (subatomic particles)
200
A pure substance that cannot be broken down
What is an element?
200
A column in the periodic table is called a group or this, while a row is called a "period"
"family"
200
Anion and Cation are what, respectively?
What is negative and positive ions
200
The SI unit for length and mass, respectively
What is meter and kilogram
300
This is the number of neutrons of an atom with the atomic number of 81.
What is 123? (Neutron # = Atomic Mass - Number of Protons or Atomic #) or (204-81 = 123)
300
A combination of two or more elements, such as NaCl or H20
What is a compound?
300
Name a metal, non-metal and a metalloid.
varies
300
Melting an ice cube is an example of this kind of change.
What is physical? (change of states of matter)
300
The wave-particle duality of light.
What is the description of how light behaves AS A PARTICLE IN A WAVE-LIKE FASHION
400
The distance from the center of an atom to the outer energy level
What is the atomic radius?
400
Air is what type of mixture?
What is Heterogenous?
400
What is so special about the noble gases?
They are stable
400
Cooking an egg is an example of this type of change.
What is chemical? (A new substance produced)
400
Draw a high frequency wave and label the four main parts
What is a wave with multiple wavelengths, a crest, trough and amplitude
500
This is the amount of energy required to add or remove an electron
What is the ionization energy
500
Pure carbon in a tank is this type of mixture.
What is homogenous?
500
List three main trends that exist in the periodic table
atomic size, reactivity and ionization energy
500
The rule that states that an atom wants either zero or eight electrons to become stable
What is octet rule
500
According to the law of conservation of mass, if 10 mg of hydrogen are reacted with 5 mg of oxygen, how many mg of product will be left?
15 mg