Solutions and mixtures chem Flashcards
When you mix two elements, what do you get?
a mixture ( not bonded and can be separated )
How many different types of atom does an element have?
1
What happens when you apply heat to a mixture?
You get a compound.
How many different types of atoms are in compounds?
2+
When naming elements, when do you use the ending -ide
When only 1 metal and 1 non-metal is present
When naming elements, when do you use the ending -ate
Used when oxygen is also present
When naming elements, when do you use the ending -oxide
When only oxygen combines with another element.
What is a solvent?
dissolves the solute
What is a solute?
dissolves in the solvent
What does soluble mean?
can be dissolved
What does insoluble mean?
cannot be dissolved
What is a saturated solution?
A solution which can no longer dissolve the solute.
What is a solution?
The mixture of the solute and the solvent.
What is the independent variable?
The one that you change.
What is the dependent variable?
The variable that is measured.
What is the control variable?
The variable that must stay the same.
What does immiscible mean?
don’t mix together (eg. oil and water)W
What does miscible mean?
Can mix together
Do less dense substances rise above dense substances?
Yes
what does distillation mean ?
filtering a liquid by heating
what does the round bottomed flask do ?
it heats up the liquid with the lowest boiling point
