Chemistry bitches. Flashcards
What are elements?
Elements are pure substances that cannot be broken down into simpler substances.
What are the four properties of a non-metal?
1) Dull in solid form.
2) Low melting and boiling point.
3) Liquid or gas at R.T.P.
4) Bad conductors of electricity.
What are the four properties of a metal?
1) Shiny in solid form.
2) High melting and boiling point.
3) Solid at R.T.P.
4) Good conductors of electricity.
What is a compound?
A compound is two or more elements chemically combined.
What are the properties of a compound?
1) Chemical reaction when formed.
2) Fixed composition by mass.
3) Fixed melting and boiling points.
4) Can only be separated by chemical means.
What are the properties of a mixture?
1) No chemical reaction when formed.
2) Variable composition by mass.
3) Variable melting and boiling points.
4) Separated by physical means
What is a mixture?
A mixture is substances that are not chemically combined.
