Atomic Models & Bonds
How many valence electrons does Ca (atomic # 20) have?
What is 2
The matter that is dissolved.
What is the solute.
Matter that can be separated by physical means.
What is a mixture?
Gold (Au)
Pure substance; element.
A separation method that uses boiling points and a special apparatus.
What is distillation.
How many valence electrons does O (atomic# 8) have?
What is 6
The matter that does the dissolving.
What is the solvent.
The mixture is uniform throughout; you cannot see the individual parts.
What is a homogenous mixture.
NaCl.
Pure substance; compound.
Insolubility is a physical property used in this separation method.
What is filtration.
What type of bond would form between K (atomic# 19) and Br (atomic # 35)
What is ionic
A solution in which no more solutes can dissolve.
What is a saturated solution.
You can easily see the separate part of the substance. A bag of M&Ms is an example.
What is a heterogenous mixture.
Trail mix.
What is heterogenous mixture.
Na has how many protons?
What is 11
What type of bond would form between C (atomic# 6) and H (atomic #1)
What is a covalent bond.
A solution in which more solutes can dissolve.
What is an unsaturated solution.
A snow globe or vinaigrette is an example,
What is a suspension.
Kool aide.
What is a homogenous mixture.
What is 7
This bond is very strong and has very high melting and boiling points.
What are ionic bonds.
Name one physical property that can change when in a solution.
What is a boiling point, melting point or conductivity.
Mayonnaise or milk is an example.
What is a colloid.
The air we breathe.
What is a homogenous mixture?
How many atoms are in the compound Mg(OH)2
What is 5