A
The force of attraction that holds two atoms together.
What is a chemical bond
A compound that is composed of molecules.
What is a molecular compound
What is electron dot diagram
A neutral group of two or more atoms held together by covalent bonds.
What is a molecule
A chemical bond formed when two atoms share eletrons.
What are covalent bonds
an atom or group of atoms that has become electrically charged.
What is an ion.
The attraction between oppositely charged ions.
What is an ionic bond
Symbols that show the elements in a compound and the ratio of atoms.
What is a chemical formula
The electrons that are in the highest energy level of an atom and that are involved in chemical bonding.
What are valence electrons
A chemical bond formed when atoms share two pairs of electrons.
What is a double bond
A solid in which the atoms are arranged in a regular, repeating pattern.
What is a crystal
An ion that is made of more than one atom.
What is a polyatomic ion
What is a nonpolar bond
A chemical bond formed when atoms share three pairs of electrons.
What is a triple bond
What is an ionic compound
What are the elements in Group 17 called.
What are halogens
An attraction between a positive metal ion and the electrons surrounding it.
What is a metallic bond
A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound.
What is a subscript
A covalent bond in which electrons are shared unequally.
What is a polar bond
A mixture of two or more elements, at least one of which is a metal.
What is an alloy
Name the 5 properties of metals.
1. Luster- shiny or reflective
2. Malleability- hammered into complex shapes
3. Ductility- drawn into a thin wire
4. Thermal Conductivity- transfer heat energy
5. Electrical Conductivity- transfer electrical energy
Name the 3 properties of a Molecular Compound.
What are: 1. Low melting point
2. Low boiling point
3. They usually do not conduct electric current
What are the elements in Group 18 called.
What are noble gases
How many electrons does it take to equal the mass of 1 proton?
What is 1,840
What are the elements in Group 1 called.
What are Alkali Metals