Science Exam (Unit 1)
What is An Element?
Substance made up of only 1 type of atom
Compound
Substance made up of more than 1 type of atom
What is the number of protons
Atomic number
What is the number of Neutrons
Atomic mass
Dots on Bhor Rutherford
Electrons
Rings in the Bhor Rutherford
Energy Levels
What does WHMIS stand for?
Workplace Hazardous Materials Information System
What are Isotopes?
Atoms with the same number of protons with the same number of neutrons
Qualitive Properties
Charecteristics measured without measurments
Quantitive Properties
Charecteristics measured with numbers
Chemical Properties
Charecteristics about an atom that can be changed
Physical Properties
Charecteristics of an atom that Cant be changed
All atoms of the samr element was discoverd by...
Dalton
Atoms Contain a nucleas was discoverd by...
Rutherford
Atoms contain electrons and the Plum Pudding Model was by...
Thomson
Electrins exist in specific energy levels was discoverd by...
Bohr
made the first periodic table was
Mendeleev
Electrons contain tiny particles was found by...
Dalton
What are some physical properties of mattet?
Luster, Colour, Density, Mass, Elasticity, and Volume
Types lf chemical properties
Toxicity, Flammability, Solubility, Combustion, and reactivity
what are some qualitive properties of matter
Colour, Odor, texture, state
what are some quantitive physical properties or matter
boiling point, melting point, mass, volume, and density
how is matter classified
Anything that takes up space