These are substances that cannot be broken down into simpler substances.
What is an element?
Atoms are bound by shared electrons in this sort of bond.
What is a covalent bond?
This type of property can be observed and measured without changing the kind of matter being studied.
What is a physical property?
Frying an egg is an example of this type of change.
Chemical Change
What is the pH of a neutral?
The answer is 2.
What is the subscript for Aluminum?
In order to support this law, there must be the same number of atoms of each element shown on both sides.
What is the law of conservation of matter (mass)?
These are pure substances that are composed of two or more types of elements that are chemically combined.
What is a compound?
In this type of bond, electrons are transferred.
What is an ionic bond?
Shiny, conductive, dense, malleable are all physical properties of this type of substance.
What is a metal?
Unexpected gas formation or temperature changes are a sign that this type of change has occurred.
What is a chemical change?
A pH of 9 would be an example of this type of solution.
What is a base?
This is the density of an object that has a mass of 20 grams with a volume of 10 mL.
What is 2 g/ml?
These are on the left of the chemical equation.
What are reactants?
When 2 pure substances are combined so that each of the pure substances retains its own properties, the result is this.
What is a mixture?
Carbon dioxide is an example of this type of bond?
What is a covalent bond?
The ability to burn or rust are examples of these.
What are chemical properties?
Two solutions are mixed, the mixture bubbles, and a solid is formed indicating a chemical change. What is this new solid called?
What is a precipitate?
In order to neutralize a base, you would have to add an equal amount of this substance.
What is an acid?
The volume of the fish.
What is 6ml?
2 CaO is an example of this.
What is a product?
Filtration, evaporation, and sifting are all ways to separate these.
What is a mixture?
Sodium (Na) is a metal, Chlorine (Cl) is a non-metal, therefore table salt in this kind of bond.
What is an ionic bond?
The ability for water to be heated and evaporate is this type of property.
What is a physical property?
This is an example of a this type of change.
What is a physical change?
Substances that can be used to determine whether a solution is an acid, a base, or neutral are called this.
What is an indicator?
2Na + Cl2 ---> 2NaCl is an example of this.
What is a balanced chemical equation?
The number of molecules of hydrogen gas in the reactants.
What is 3?
What is a heterogeneous mixture.
In order to break or form bonds, substances need to go through this.
What is a chemical reaction (change)?
The slow reaction to oxygen such as an apple turning brown on the counter or iron rusting is an example of this specific type of chemical property.
What is oxidation?
This is an example of this type of change:
What is a chemical change?
This indicator turns pink in a base and clear in an acid.
What is phenolphthalein?
This is the mass of the product Ammonia (NH3) because there are 1 grams of nitrogen (N2) in the reactants and 3 gram of hydrogen (H2) in the reactant.
What is 4 grams?
This answer choice represents a balanced chemical equation.
What is D (4Na + O2 -> 2Na2O)?