Chemistry Paper 1 AQA Flashcards
What is a compound?
2 or more elements that are chemically bonded together.
Where are the protons?
Nucleus
What is the mass of a proton?
1
What charge does a proton have?
+1
Where are the neutrons?
Nucleus
What is the mass of neutrons?
1
What charge do the neutrons have?
0
Where are the elections?
Outer shell
What is the mass of electrons?
1/2000
What charge are electrons?
-1
Separating mixtures
What is distillation?
Separating things of by boiling points
Separating mixtures
What is evaporation?
Evaporate liquids and leave the solids that had been dissolved in the liquid in dish
Separating mixtures
What is filtration?
Large particle solid in liquid. The particles of solid will stay in the filter paper and liquid will drop through.
Separating mixtures
What is fractional distillation?
Take things of at different boiling points.
What did Rutherford discover?
Discovered nucleus and protons