Atoms are composed of these 3 subatomic particles?
What is protons, neutrons, and electrons?
Substance made up of only one kind of atom.
What is an element?
This is the number of elements in the following: CaCO3.
What is 3?
What the word "APE" stands for in APE MAN.
What is Atomic number equals Protons equals Electrons.
Particle with a neutral charge in an atom.
What is a neutron?
This man arranged the Periodic Table by atomic masses and similar characteristics.
Who is Dimitri Mendeleev?
The number of sodium atom in table salt. Hint: the symbol for table salt is NaCl.
What is 1 sodium atom?
The chemical symbol for water.
What is H2O?
Center of the atom that makes up most of the atom's mass.
What is the nucleus?
Chart used by scientist to list all the elements.
What is the periodic table?
This has mass and takes up space.
What is matter?
The 2 in the chemical formula H2O means this.
What is two atoms of hydrogen?
Two or more elements or compounds that are physically mixed, not chemically bonded.
What a mixture?
Particles located in the nucleus of an atom.
What is protons and neutrons?
This is used to represent an element on the Periodic Table.
What is a symbol?
The definition of a molecule.
What is a particle that contains more than one atom joined together?
This is used to show the elements in a compound and the number of atoms of each one.
What is a formula?
This has a definite volume and a definite shape.
What is a solid?
If an atom has an atomic mass of 12 and 6 protons, it has this number of neutrons.
What is 6 neutrons.
The number at the top of the element's square on the periodic table.
What is the atomic number?
The number of carbon atoms in carbon dioxide.
What is one?
The definition of a compound.
What is two or more different atoms joined together?
This does not have a definite shape, but has a definite volume and takes on the shape of its container.
What is a liquid?