Studied by 5 peopleNonpolar Molecule
________: one in which electrons are shared equally in bonds.
Chemical Formula
________: tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound.
Molecule
________: A neutral particle that forms as a result of electron sharing.
Ion
________: a charged particle because it now has either more or fewer electrons than protons.
Covalent Bond
________: The attraction that forms between atoms when they share electrons.
Hydrogen
________ and helium, the elements in period 1 of the periodic table, can hold a maximum of two electrons in their outer energy levels.
Sodium
________ is a soft, silvery metal that combines with chlorine, a greenish yellow gas, to form ________ chloride, which is a white crystalline solid.
Metals
________ and nonmetals usually combine by forming ionic bonds.
Subscript
A(n) ________ written after a symbol tells how many atoms of that element are in a unit of the compound.
Electron dot diagrams of noble gases
________ show that they each have a stable outer energy level.
Polyatomic Ion
________: a positively or negatively charged, covalently bonded group of atoms.
Water Molecule
A(n) ________ contains two single bonds.
Single Covalent Bond
A(n) ________ is made up of two shared electrons.
Table sugar
________ is an example of a covalent compound that is a crystalline solid soluble in water.
Polar Molecule
________: one that has a slightly positive end and a slightly negative end, although the overall molecule is neutral.
Hydrate
________: a compound that has water chemically attached to its ions and written into its chemical formula.
Electron dot diagrams
________ show only the electrons in the outer energy level of an atom.
Electrons
________ are not always shared equally between atoms in a covalent bond.
Covalent Compounds
________ are those formed between elements that are nonmetals.
Magnesium Atom
A(n) ________ gives an electron to each of two chlorine atoms to form MgCl2.
Binary Compound
________: one that is composed of two elements.
Maximum Number of Electrons
An atom is chemically stable when its outermost energy level has the ________.
points of covalent compounds
Melting and boiling ________ are relatively lower when compared to ionic compounds.
Covalent Bonds
________ form between nonmetallic elements.
Chemical Formula
tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound
Ion
a charged particle because it now has either more or fewer electrons than protons
Ionic Bond
the force of attraction between the opposite charges of the ions in an ionic compound
Covalent Bond
The attraction that forms between atoms when they share electrons
Molecule
A neutral particle that forms as a result of electron sharing
Polar Molecule
one that has a slightly positive end and a slightly negative end, although the overall molecule is neutral
Nonpolar Molecule
one in which electrons are shared equally in bonds
Binary Compound
one that is composed of two elements
Oxidation Number
The charge on the ion'
Polyatomic Ion
a positively or negatively charged, covalently bonded group of atoms
Hydrate
a compound that has water chemically attached to its ions and written into its chemical formula
Potassium
________ and iodine must perform a transfer of one electron.
Polarity of Water
The ________ is responsible for many of its unique properties.
Ionic Compounds
Some ________ are composed of more than two elements.
Covalent Bond
A(n) ________ also can contain more than one pair of shared electrons.
Note 
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