WHMIS & Matter
May cause less serious health effects
What is Exclamation Mark?
The ability to be compressed or rolled into sheets.
Define physical change.
What is the same components before and after the change?
Which scientist visualized electrons as existing in a cloud around the nucleus, but impossible to pin down.
Who is Schrodinger?
# of protons in the nucleus of the atom.
What is the atomic number?
What does WHMIS stand for?
What is Workplace Hazardous Material Information System?
What is a physical property?
Describes characteristics of matter that can be observed (qualitative) or measured (quantitative) without altering the substance.
Define chemical change.
What is chemical changes result in the formation of NEW materials.
Who worked with Rutherford and said electrons move around the nucleus in an orbit called electron shells.
Who is Bohr?
How do we calculate neutrons?
What is atomic mass - atomic number?
Simplest type of pure substances composed of one type of atom.
What is an element?
Dissolving.
What is a physical change?
List the 3 subatomic particles and there charge.
Neutrons (=)
Protons (+)
Electrons (-)
On the left side of the periodic table and are usually shiny, ductile, and conductive.
What are metals?
Made up of only one kind of matter and has a unique set of properties that sets it apart from any other kind of matter.
What is a pure substance?
Rust when exposed to air.
What is a chemical change?
How is the periodic table organized?
What is increasing atomic mass?
The second most reactive group.
What is the alkaline earth metals, group 2?
Methane (CH4)
What is a compound?
What is colour, lustre, state, malleability, ductility, crystal shape, melting point, boiling, density, conductivity, solubility?
What is an atom?
What is the basic unit of matter and defining structure of an element?