an atom or molecule that carries an electrical charge
ion
what's immiscible?
liquids that are not capable of mixing together and forming stable solutions :---)))
Any substance that occupies space and has mass
Matter
what measures potential hydrogen and the acidity and alkalinity of a substance?
PH scale
what's a compound molecule?
chemical combinations of 2 or more atoms indefinite fixed proportions
what is organic chemistry?
the study of substances that contains carbon that allows them to burn
what's a molecule?
result of joining atoms
has no volume or shape?
gas
also known as redox
oxidation reduction
what's an exothermic reaction?
when a certain chemical reaction releases energy in the form of heat
what's a solvent?
a substance that dissolves the solute
what's combustion?
the rapid oxidation of a substance accompanied by the production of heat and light
what is an element?
simplest form of matter
a solid dissolved in a liquid, or blending 2 or more liquids together
solution
A colourless gas composed of hydrogen and nitrogen that has a strong odor
ammonia
a ph below 7 indicates what
acidic solution
ice melting and turning into water is an example of what?
physical change, hehe:)
a ph above 7 indicates what
alkaline
what's an oxidizing agent?
a substance that releases oxygen
what's the difference between physical and chemical property?
a physical property can be determined without a chemical reaction
a chemical property can be determined by a chemical reaction and involve a chemical change
what is SDS category #4
first aid measures
What is an emulsion?
an unstable physical mixture of two of more immiscible substances plus a special ingredient called an emulsifier
what's the difference between combustable & flammable?
combustable is CAPABLE of igniting and burning while flammable is EASIER to ignite
what's the 1st ads category?
identification :-)
explain neutralization reactions?