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Chemistry Test

Atomic-number Number of protons in the nucleus.
Halogens Are in the element group 17.
Rutherford Came up with the silver foil experiment.
2C6H12O6 There are 6 oxygen atoms present in this chemical formula.
Ne Is Neon, the ionic charge is negative (-).
CO2 An example of a compound.
Na Sodium.
Family-of-Elements Is located in a vertical group on the periodic table.
Mendeleev Use elements chemical prperties to organize them on the periodic table.
Solid Most elements are know in this state of matter.
Mass-Number Tells the number of protons and neutrons in the nucleus.
Nucleus In an atom the nucleus contains most of the meass and all of the positive charge.
Ions Is an atom that has gained or lost electrons.
Physical-Charge During a Physical Charge the particles are not charged.
Hypothesis In a lab report the scientist makes a prediction before he carries out the experiment.
Homogeneous An example is Tea
Pure-Substance An example is a glass of water
Physical-Reaction Ice melting
Chemical-Reaction Gasoline burning in car engines
Qualitative Someones oppinion
Quantitative Dealing with numbers
Independent Doesn't rely on other variables
Dependent Is affected by other variables
Created by: NCCgradenines