C1 - Atomic Structure Flashcards
All Substances are made up of Tiny Particles called _____.
Atoms.
Elements contain only one Type of ______.
Atom.
Compounds contain more than one Type of ______.
Atom.
An Atom has a Tiny __________ at its Centre, surrounded by ____________.
Nucleus…Electrons…
Chemical Equations show Reactants and __________.
Products.
Total Mass of Reactants = Total Mass of __________
Products.
What does (s) stand for?
Solid.
What does (l) stand for?
Liquids.
What does (g) stand for?
Gases.
What does (aq) stand for?
Aqueous Solution.
A Mixture is made up of Two or more Substances that are not _______________ Combined Together.
Chemically.
What are the Three Ways Mixtures can be separated?
Filtration, Crystallisation or Distillation.
What is Fractional Distillation?
Separating Liquids using a Fractionating Column.
What is Paper Chromatography?
Substances Dissolve and go the Chromatography Paper.
What are Atoms made up of?
Protons, Neutrons and Electrons.
What is the Relative Charge of Protons?
+1.
What is the Relative Charge of Electrons?
-1.
What is the Relative Mass of both a Proton and Neutron?
1.
Atomic Number = Number of __________
Protons.
Number of Neutrons = Mass Number - ________ Number
Atomic.
Atoms that Gain Electrons form ____________ Ions.
Negative.
If Atoms Lose Electrons they form ___________ Ions.
Positive.
Isotopes are Atoms of the same Element with Different Numbers of ___________.
Neutrons.
Electrons in an Atom are arranged in Energy Levels or ________.
Shells.
The Number of Electrons in the ____________ Shell of an Element’s Atom determines the way in which the Element Reacts.
Outermost.
