Matter
The term for anything that has mass and takes up space.
What is matter?
The ability to do work or cause change
What is energy?
The negatively charged particles surrounding the nucleus of an atom
What are electrons?
The organization of the periodic table
What are groups and periods?
The term for two or more substances together in the same place but their atoms are not chemically combined
What is a mixture?
The 4 components of matter
What are atoms, elements, molecules, and compounds
The energy an object possesses by being in motion
What is kinetic energy?
The particles of an atom that took scientists the longest time to find
What is the neutron/ neutrons?
The average mass of all the isotopes of an element
What is atomic mass?
The type of mixture that has distinct and easily removable components
What is a heterogenous mixture?
The formula for calculating density
What is Mass over / divided by volume?
The formula for calculating mechanical energy
What is potential energy + kinetic energy?
Atoms with the same number of protons but different number of neutrons
What are isotopes?
A compound that reacts with metals and carbonates
What is an acid?
The two properties that affect solubility of a substance
What are temperature and pressure?
The fact that matter is not created or destroyed in any chemical or physical change
What is the law of conservation of mass?
The term for a nucleus that splits into smaller fragments and releases energy.
What is nuclear fission?
Rutherford's experiment that proved the atom is mostly empty space with a dense positively charged center
What is the Gold Foil Experiment?
The bond between atoms that share an electron or electrons
What is a covalent bond?
The three ways we classify mixtures
What are colloids, suspensions, and solutions?
The evidence of a chemical change
What is a change in color, produce heat/light, forms a precipitate, forms a gas, or odor change.
The change of energy from one form to another
The scientists who developed atomic theory
Who are Dalton, Thompson, Rutherford, and Bohr?
The groups of the Periodic Table that do not follow the pattern of the numbers of valence electrons
What are groups 3-12?
The term for a solution that has little solute compared to solvent
What is a dilute solution?