Nutrient Lab 1
List the four macromolecules of life.
Complex Carbs, Simple Sugars, Protein, and Lipids
The "Brown Paper Test" attempted to identify what?
Lipids
Elements that run up and down (columns) are called ________.
Groups
How do you calculate the number of protons of any element?
Look at the atomic number.
How many electrons (max.) can fit in the first, second, third, fourth energy levels?
2,8,18,32
Which macromolecule test made use of a hot water bath?
Glucose
T or F: Cheerios tests positive for starch.
True
Elements that are in rows (side to side) are called _______.
Periods
How do you calculate the number of neutrons?
Subtract the atomic number from the atomic mass.
In order to be stable, if an atom has only 1 energy level, how many electrons does it need to have?
2
What did the chemical Iodine test for?
Complex Carbs/starach
Mountain Dew would more than likely contain what macromolecule?
What is the atomic mass (rounded) of Carbon?
12
How do you calculate the number of electrons of any element?
Look at the atomic number or the number of protons.
In order to be stable and satisfied, if an atom has more then 1 energy level, how many electrons does it need to have in its outermost level?
8/"Octet Rule"
Which chemical did we use to test for proteins?
Biurets
In the presence of Iodine, starch turns what color?
Dark Purple/Black
What is the atomic number for Sb
122
Electrons have a ______ charge
-
Water is polar. What does that mean?
It has a slightly + and slightly - end.
What was the chemical Benedicts test for?
Simple Sugars/Glucose
In the presence of Benedicts, proteins turn what color?
Light Purple
What is the atomic number for Kr?
36
7
What 2 bonds are found in water?
Covalent and Hydrogen Bonds