Ionic Compounds and Metals
The force that holds 2 atoms together
What is a chemical bond
The chemical bond that results from sharing valence electrons
What is a covalent Bond
_______can be evidence for a chemical reaction
Temperature change (will also accept physical evidence)
the reactant that is completely used up in a reaction, and thus determines when the reaction stops
Limiting reagent
What is Temperature
Atoms consist of 3 basic particles. The ____ is neutral, the ____ is positively charged, and the ______ is negatively charged
What is a neutron, proton, and electron
Molecule with a sigma bond
What is water, ammonia, or methane
_____ are the starting substances in a chemical reaction, while ______ are the substances formed during the reaction
What are reactants and products
The number 6.02 x 10^23 is called ______
Avogadro's number
_____ is the temperature at which the forces holding its crystal lattice together are broken
What is the melting point
A negatively charged ion is called a _____ and a positively charged ion is called a _____
What is a Anion and Cation
a _______ covalent bond exists when atoms with different electronegativities share electrons in a covalent bond.
What is Polar
Chemical reaction in which 2 or more substances react to produce a single product. Example A + B = AB
What is a synthesis reaction
The mass in grams of one mole of any pure substance is called ______
What is Molar Mass
______ is the movement of one material through another
What is diffusion
electrons that located in the outermost electron shell of an atom.
What are valence Electrons
Single covalent bonds are also called ______ bonds, while multiple covalent bonds will consist of a ______ bond.
What is sigma and pi
A reaction in which the atoms of one element replace the atoms of another element in a compound is called a ________
What is a single-replacement reaction
The most important industrial chemical
What is Sulfuric acid
_______ occurs when a gas passes through a tiny opening
What is effusion
Crystal Lattices are formed by these types of bonds
What is an ionic bond
Chemical formula for Sulfrous Acid
H2SO3
double-replacement reaction
The ______ ________ for a compound is the formula with the smallest whole-number mole ratio of the elements
What is the empirical formula
In order for a ______ ______ to form, hydrogen must be bonded to either a fluorine, oxygen, or nitrogen atom
What is a hydrogen bond