Matter
things that we can see or touch, have weight, and take up space
What is matter?
What are letters of the alphabet?
a particle in the nucleus of an atom that has a positive charge and contributes to the weight of an atom
What is a proton?
two or more atoms joined together
What is a molecule?
pure forms of matter
What are elements?
What is the symbol?
a particle in the nucleus of an atom that has no charge, but contributes to the weight of the atom
What is a neutron?
the sum total of all of an object's matter and it doesn't change due to gravity
What is mass?
True or False:
All elements were created by God.
God created 92 elements. About 15 elements have been manufactured in a lab.
some symbols come from the __________ name for the element
a particle that has a negative charge that does not contribute to the weight of the atom
What is an electron?
the atomic weight of CO2 (carbon dioxide) if carbon has an atomic weight of 12 and oxygen has an atomic weight of 16
What is 44?
1(12) + 2(16) = 44
building blocks used to make matter
(smallest piece of matter possible)
What is an atom?
the symbol for hydrogen
What is H?
the region in the center of the atom that contains the neutrons and protons
What is the nucleus?
the atomic weight of H2O (water) if hydrogen has an atomic weight of 1 and oxygen has an atomic weight of 16
What is 18?
2(1) + 1(16) = 18
What is H?
the symbol for gold
What is Au?
(aurum)
the region outside the nucleus of the atom that contains electrons
the atomic weight of C6H12O6 (sugar) if carbon has an atomic weight of 12 and Hydrogen has an atomic weight of 1 and Oxygen has an atomic weight of 16
What is 180?
6(12) + 12(1) + 6(16)