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).


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