Physical or Chemical?
A chemical reaction
What is a process that produces chemical change?
Substances that react
What is reactants?
When a metal bonds with a nonmetal, what is formed?
What is an ionic bond?
States that matter cannot be created or destroyed
What is law of conservation of mass?
reactants and products have the same mass...
What is law conservstion of mass
Physical change
What is changes in the substances apperance or state?
Substance that form as a result of the reaction
What is products?
When nonmetal bonds with another nonmetal what is formed?
What is a covalent bond?
What are two types of numbers we use in balancing equations?
What are coefficients and subscripts?
The arrow in a chemical equation stands for?
What is yield?
When liquid turns to solid
What is physical change?
Mixing vinegar and baking soda
What is chemical reation?
What kind of bond shares electrons?
What is a covalent bond?
Like mathematical equations that show reactants and products
What are chemical equations?
H2O
What is water?
Newspaper burning
What is a chemical change?
Dissolving salt into water is what kind of reaction, chemical or physical?
What is a physical reaction?
What kind of bond is formed from 2 oppositely charged atoms?
What is an ionic bond?
Chemical equations
What are equal numbers and kinds of atoms on both sides of the equation that are balanced.
could say: reactants and products
What is the name of the small number after a chemical formula?
What is subscript?
The reaction of of silver nitrate and sodium
What is forms solid silver chloride and liquid sodium nitrate?
When water goes from a solid to a liquid to a gas, what kind of reaction is this?
What is a physical reaction?
This is not a chemical reaction. This does not make a new substance so it is a physical reaction.
In an ionic bond, what kind of atom gives up electrons?
What is a metal?
What must be equal in a chemical equation?
What is reactants and products?
Coefficients
What are numbers placed before formulas?