Matter is...
What is anything that has mass and takes up space.
A new substance is formed.
What is a chemical change.
Organizes elements by atomic number.
What is the periodic table.
Protons=a
What is a positive charge.
Starting substances are known as...
What are reactants.
An Atoms is...
What is a tiny building block of matter.
No new substance is formed
What is a physical change.
Periodic table is arranged by...
What is the atomic number
Neutrons=
What is a neutral Charge
New substances formed are known as...
What are products.
Two or more elements chemically combined.
What is a Compound.
Color change and gasses produced are examples of...
What is a chemical change.
Columns are called...
What are groups and families.
Electrons=
What is a negative charge.
Matter is not created or destroyed.
What is the law of conservation of mass.
Water (H2O) is an example of...
What is a compound.
Melting Ice is an example of...
What is a physical change.
True or False: Groups/Families contain elements with different properties.
What is False.
True or False: Electrons are found in the nucleus of an atom.
What is False.
2In the following equation Na+O2-----------NaO2: NaO2 is the...
What is the product.
True or False: Matter is anything that takes up space
What is False.
True or False: Burning a candle is an example of a physical change cand a chemical change.
What is true.
There type of elements are shiny, conductive and have a positive charge.
What are metals.
What two subatomic particles are found in the nucleus?
What are protons and neutrons.
True or False: The following chemical equation H2+O2-----------H2O is balanced.
What is False