Vocabulary
What are elements?
What are the building blocks of matter?
Metals such as aluminum and copper are...
What is pure?
What are the negatively charged particles that move around the nucleus of an atom?
What is an electron?
What are substances that can form when acids and bases react?
What are salts?
Salt water and trail mix are examples of a ______.
What is a mixture?
What is an atom?
What is the smallest particle of an element that has the same properties of the element?
What is a physical property?
What are properties that can be seen without changing the matter?
What is the name of the table that organizes elements according to their chemical properties?
What is the periodic table?
What are symbols that show the number and kinds of elements in a compound?
What is a formula?
You can separate iron filings from a mixture by using a _____.
What is a magnet?
What are compounds?
What are kinds of matter made of a combination of two or more elements?
When the pull of gravity changes so does the...
What is weight?
In the periodic table rows are called _______ and columns are called_______.
What are periods and groups?
One property of most salts is that they melt at _______ temperatures.
A ______ is dissolved in a _______.
What is a solute and solvent?
What is a solution?
What is a special mixture in which a substance is dissolved?
The ability of a material to burn is a ____ property.
What is a chemical property?
The number of protons in an atom's nucleus is called the....
What is the atomic number?
When elements combine to make new compounds their properties __________.
What are change?
A _____ solution has a small amount of solute for the amount of solvent?
What is diluted?
What is solubility?
What is a physical property of the amount of a solvent that can be dissolved?
Use a ____ when measuring the mass of an object.
What is a balance?
Elements in the same groups have _____ properties.
What are similar?
How many elements of hydrogen are there in H2O?
What are two?
In a solution, different substances are placed together and spread out ______.
What are evenly?