Separation Techniques
Protons, Neutrons, Electrons
Atomic Models
Lewis Dot Structures
Covalent Bonding
100
Name 3 different separation techniques that we learned about in class.
Distillation, Evaporation, Chromatography, Magnetism, Filtration, Density
100
Name the 3 subatomic particles in an atom.
Protons, Neutrons, and Electrons
100
Draw an atomic model for Hydrogen (H).
100
What do the dots on a Lewis Dot Structure represent?
Valence Electrons
100
For a covalent bond, what happens to the valence electrons of the bonding atoms?
The valence electrons are shared.
200
Which separation technique is best used when you are trying to separate a soluble solid from a solution? (Hint: You do not need to keep the solvent.)
Evaporation
200
For each subatomic particle, name their charge.
Protons = +
Neutrons = 0
Electrons = -
200
Draw an atomic model for Carbon (C).
200
Draw the Lewis Dot Structure for Helium (He).
200
How many electrons does Bromine (Br) need to add to have a full shell?
1
300
Which separation technique is best used when you are trying to separate a solvent from a solution? (Hint: You need to keep the solvent.)
Distillation
300
For each subatomic particle, name their location in the atom.
Protons and Neutrons = Nucleus
Electrons = Electron Cloud
300
Draw an atomic model for Neon (Ne).
300
Draw the Lewis Dot Structure for Boron (B).
300
How many electrons does Sulfur (S) need to add to have a full shell?
2
400
What does filtration separate?
An insoluble solid from a solution
400
For Rubidium (Rb), list the numbers of protons, neutrons, and electrons that are present in a neutral atom.
Protons = 37
Electrons = 37
Neutrons = 48
400
Draw an atomic model for Magnesium (Mg).
400
Draw the Lewis Dot Structure for Phosphorus (P).
400
Draw the Lewis Dot Structure for a hydrogen molecule (H2).
500
Describe 1 example of using a separation technique that we learned about in class in your everyday life.
Answers will vary.
500
For Gold (Au), list the numbers of protons, neutrons, and electrons that are present in a neutral atom.
Protons = 79
Neutrons =118
Electrons = 79
500
Draw an atomic model for Chlorine (Cl).
500
Draw the Lewis Dot Structure for Radon (Rn).
500
Draw the Lewis Dot Structure for a chlorine molecule (Cl2).
