Name the parts of an atom?
Nucleus contains neutrons & protons
Rings contain electrons
What determines the family an atom is in?
All atoms in the same family have the same number of PROTONS. Nuetrons and electrons can vary.
Chemical formula for oxygen?
O2
What macronutrient is this?
SUGAR!
Describe the pH scale. What numbers are acidic, what numbers are basic?
1 is acidic
14 is basic
What's the Matter?
Anything that has mass takes up space.
How many atoms in O2?
2
Are the following compounds or molecules?
CO2
O2
CO2 - compound and molecule
O2 - molecule
What is a carbon with a water molecule?
Carbohydrate (C+H2O)
Is our blood acidic or basic? Milk? Windex? Stomach acid? Lye? Lemon Juice? Battery Acid?
Milk - 7 neutral
Windex - 10 basic
Stomach acid - 2.5 acidic
Lye - 14 basic
Lemon juice - 2.5 acidic
Battery acid - 1 very acidic
How many electrons, protons, and neutrons are in Oxygen?
8 Protons
8 Neutrons
8 Electrons
There are 118 elements on the periodic table based on the number of protons they have. Each element is 1 atom.
What is an isotope? Give an example.
Atoms with the same number of protons and different number of neutrons.
Sulfur-32, Sulfur-33, Sulfur 34
What is an isomer? Give an example?
2 different molecules with the same chemical formula.
Sugar and glucose and galactose.
What do enzymes do?
Act as a catalyst to break down molecules or food.
What determines how an atom will interact with another atom?
The electrons, specifically the outermost electrons called the "Valence" electrons.
How many electrons, protons, and neutrons are in Sulfur-33?
16 Electrons
16 Protons
17 Neutrons
What is Uranium? An element, molecule, or compound?
Uranium-235?
Uranium = element
Uranium 235 = atom and it is an isotope of uranium.
How do you join to monosaccharides?
Dehydration (remove water) - remove an "H" from Glucose and an "OH" from fructose to form "H2O"
Name the 4 nucleotides of your DNA?
Guanine
Cytosine
Adenine
Thyamine (Uracil)
How much does one atom of Gold weigh? Hint: how many atomic mass units does it have in its nucleus?
How many neutrons, protons, electrons?
How many Energy levels?
Is boiling water a physical change or a chemical change?
What is the chemical formula for photosynthesis and oxidative phosphorylation?
+ H2O + Chlorophyll + CO2 = O2+ C6H12O6
O2+ C6H12O6 = ATP + CO2 + H2O
How do you split a disaccharide?
Hydrolysis a.k.a the water sword. Just add water (H2O)
What would the matching DNA Sequence be for the following DNA strand?
CAT GCG ATT
CAT GCG ATT
GTA CGC TAA