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Chemical Reations

Across
the new substances that are formed in a chemical reaction
a neutral particle in which atoms share electrons
Law Conservation of ________ : the total mass before a chemical reaction is the same as the total mass after the reaction
a molecule that contains two of the same atom
absorbs energy during a chemical reaction
from Latin conducere; means to bring together
_____________ Property: the ability or inability of a substance to combine with or change into one or more new substances
Law Conservation of _________ : states that energy is neither created nor destroyed in chemical reactions
starting materials in a chemical reaction
tells how many atoms, molecules, or formula units take part in the reaction
a process in which substances mix evenly with one another
Down
_____________ Property : any characteristic of a material that can be observed without changing the identity of the material itself
_____________ Change: the change of one or more substances into other substances
a force that holds atoms together in a compound
The small number below and to the right of a symbol in a chemical formula that tells how many atoms of an element are contained in one molecule or formula unit
A release energy from a chemical reaction
The father of modern chemistry. He used a precise balance to measure the masses of the reactants and products in his experiments.
Character Trait for the month of March