Table of Contents
What are the substances that participate in a chemical reaction called?
The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.
What is a substance that is used up during a chemical reaction?
Chapter 20,21 Terms
| A | B |
|---|---|
| limiting reactant | substance that is used up first during a chemical reaction |
| excess reactant | substance that is not completely used up during a chemical reaction |
| percent yield | actual/predicted X 100 |
| actual product | amount of product recovered at the end of a reaction |
What is a molecule in a chemical reaction?
molecule: The smallest particle of a specific compound that retains the chemical properties of that compound; two or more atoms held together by chemical bonds. reaction: A transformation in which one or more substances is converted into another by combination or decomposition.
What are the types of chemical reaction?
The five basic types of chemical reactions are combination, decomposition, single-replacement, double-replacement, and combustion. Analyzing the reactants and products of a given reaction will allow you to place it into one of these categories.
What is a substance is called?
Any material that possesses physical properties is called a substance. The word also refers to the gist or main idea of something. To be thought of as a “person of substance” is a good thing, but to be thought of as a “substance abuser” is not so good.
What are the molecules in a chemical equation?
Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. The constituent elements are represented by their chemical symbols, and the number of atoms of each element present in each molecule is shown as a subscript following that element’s symbol.
What does molecule mean in chemistry?
The smallest particle of a substance that has all of the physical and chemical properties of that substance. Molecules are made up of one or more atoms.