Elements
one
A compound consists of ______________ kinds of atoms chemically bound to each other.
two or more
Describe a heterogeneous mixtures
mixture whose components are seen and can be separated by physical or chemical means; mixture whose components can be seen; uneven distribution of particles
Describe homogeneous mixtures
mixture whose individual components are NOT seen and cannot be separated by physical or chemical means; even distribution of particles (uniform)
Name ALL 3 AP's
Johnson
Gaines
Wells
Another term for mass
Weight
Which of the these is a compound?
A. Helium
B. Baking Soda
C. Sea Water
B. Baking Soda
True or false: heterogenous mixtures can be a mixture of solids, liquids, and/or gases.
True.
Mixtures can be any combination of all states of matter: solids, liquids, and gases.
True or false: Gatorade is a homogenous mixture
true
What type of scheduling/periods have we moved to?
Block schedule
How does a mixture differ from a Pure Substance?
Mixtures can be separated by physical means and Pure Substances cannot.
Do Compounds always have a set ratio of elements?
Yes.
Water is always made of two hydrogen and 1 oxygen
Provide 3 examples of heterogeneous mixtures.
vegetable soup, oil and water, cereal, etc
Provide 3 examples of homogeneous mixtures.
koolaid, food dye and water, salt water, etc
This year, we have moved from cohort 1-5 and 11-5. What are the new cohort names?
Saints and Wildcats
An Element is the same as a Pure Substance: True Or False
True
DOUBLE JEOPARDY!!!
Which of these statements are true about compound?
A. Compounds can be found in the periodic table.
B. Compounds are pure substances.
C. Compounds are made up of two or more pure substances.
D. Compounds can be separated by physical means.
B and C
Compounds are pure substances and are made up of two or more elements.
*Elements can be found in the periodic table.
*Compounds can only be separated by chemical means.
Is a heterogeneous mixture chemically bonded?
No. Heterogeneous mixtures are combined but not chemically like compounds.
DOUBLE JEOPARDY!!!
Does mixing oil and water create a homogeneous mixture? Why or why not?
Mixing oil and water creates a heterogeneous mixture because we can see the oil and the water.
Name ALL "Saints 6" rules
1. Walk in a straight line quietly
2. 15/15
3. Profanity Free
4. Be Ready to Learn
5. District devices/resources only
6. Be respectful to yourself and everyone
Which of the these is a element?
A. Copper
B. Baking Soda
C. Sea Water
Copper
Why does air not have a definite formula?
(For example: water's formula is H20)
Air does not have a definite formula because it is not a compound.
Air is a mixture because it is a mixture of multiple different compounds like oxygen, carbon dioxide, hydrogen, and more.
DOUBLE JEOPARDY!!!
If I have a coffee with milk, a caesar salad, trail mix and a yogurt for lunch, which of the these are heterogeneous mixtures?
caesar salad and trail mix are heterogeneous mixtures.
What is another term we can use for homogeneous mixtures that contains a solute and solvent
Solution
what does H-PRIDE stand for?
H- Humanization
P-Professionalism
R- Respect
I-Integrity
D- Dignity
E- Empathy