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This type of atomic combination is what happens when two of the same kinds of elements combine.
A molecule.
Who is given credit for the periodic table?
Dimitri Mendeleev.
NaCl.
A diagram of an atom using only the chemical symbols and dots for valence electrons is called...?
A Lewis Structure.
This type of atomic combination happens when two or more different elements combine.
A compound.
Elements with the same valence electrons belong to the same...?
Group.
This is produced when you burn Hydrogen gas
(Hint: H2 + O2)
Water (H20)
H-2 is an isotope of hydrogen and is known as..?
Deuterium.
This is the name for all the solid elements in the first column of the periodic table.
Alkaline Metals.
This is the name of all the elements in the last column of the periodic table.
Noble Gases.
This type of reaction changes the substance (example: compounds).
Chemical Reaction.
It is a natural philosophy proposing that the universe is composed of indivisible components known as atoms?
Atomism
It has this symbol: Na+
Sodium Ion.
This is the name for the elements on the periodic table that need 1 electron to complete their shell.
Halogens.
This type of property is observed without changing the substance (example: mixture)
Physical Property
When an unstable nucleus decays, it loses energy through emission of radiation is the form of ______, ________, and _________ rays.
Alpha, beta, and gamma.
It has this symbol: 3H
Tritium (Hydrogen 3 isotope).
The tendency of an atom participating in a covalent bond to attract the bonding electrons is called...?
Electronegativity.
This type of gas looks like we might be able to breathe it, but beware, it is different from it's O2 counterpart.
Ozone
Name the five scientists who proposed atomic models, chronologically!
Dalton, Thompson, Rutherford, Bohr, and Schrodinger.