Mixtures
True or False: A mixture is made up of 2 or more substances
True
What does the pH scale tell us?
How acidic or basic something is
What letter are symbols for blood?
A, B, O
When a substance changes?
Chemical Change
What organelle is known as the "powerhouse of the cell"?
Mitochondria?
A mixture that looks the same throughout is called this type of mixture.
A homogeneous mixture
What is the range for an acidic solution?
1-6
How many blood types are there?
8
What is the difference between a physical and chemical change?
Chemical Change can't go back to their original form
What is the smallest unit of an element ?
An atom?
Can you physically separate a heterogenous mixture?
Yes
What solution known to be neutral/7
Water
What does the RH factor tell you
If the blood type is +
What changes in a physical change?
-Form
-Shape
-Size
-State
What scientist developed the three laws of motion?
Isaac Newton?
Is air a mixture?
yes
True of False: A solution can not fall outside the pH scale range?
False
What are the antigens in AB +
A, B , Rh
-Apple browning
-Digestion
-Wood Burning
-ETC
What are the order of planet from closest to the sun to farthest?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Is Dust heterogenous or homogenous?
Heterogenous
What is the pH value for rain?
5
What is the universal donor
O-
Is temperature change a form of chemical or physical change?
It is neither!!
What element is represented by Ar?
Argon