all about Matter
soluble and solvent
why is water called universal solvent
it dissolves more substances than any other liquid
how can temperature affect solubility
what is matter
anything and everything that has mass and takes up space
everything around us is matter and are known as 3 states solid liquid and gas
gas particles have strong bonds
liquid particles have weak bonds
gas particles have no bonds
properties of matter
common physical properties
A physical property is a description of a substance
hardness
malleability
ducktility
melting and boiling points
crystal form
solubility
viscosity
density
what is an atom
the basic unit of a chemical element
the basic components of an atom are:
electrons
protons
neutrons
what is an ion
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
what is density
A simple form of measurement which determines how much matter is in a substance
Bohr- Rutherford diagram
number of electrons
number of neutrons
Number of protons
what is WHIMS 2015
"what do these signs mean and represent?"
"what do i do if i come across this chemical"
" what percautions must i take"
SDS sheets
SDS stand for safety data sheet
this WHIMS pictogram shows and explains the potential harms
3 essential questions
this sheet has information on the different types and what percautions to take when handiling a specific chemical
important questions for the SDS sheet
all equipment needed to handle the chemical (gloves,goggles,etc).
what to do if you come in contact with the chemical
what percautions do i have to take when i handle a (chemical)