Periodic Table
How many electron shells does a potassium atom have?
4
Change in temperature, release of gas, release of light
Place the following terms in order from smallest to largest: chromosome, cell, gene, DNA
gene, DNA, chromosome, cell
Name 2 advantages of asexual reproduction for a plant.
It is faster and does not require a partner.
What is the formula for density?
D = M/V
How many neutrons does a rubidium atom have?
48
What are 4 types of physical changes?
Mixture, reversible deformation, irreversible deformation, change of state
Where are the chromosomes stored, in a cell?
Name 3 parts of the pistil of a flower.
Style, Stigma, Ovary
In osmosis, ___________ moves from an area of low concentration to an area of high concentration.
solvent
Draw a rutherford bohr diagram for magnesium.
find on the internet!
Decantation, because that is when you just pour a layer of liquid out.
If someone has a genotype for blood type of AO, what is their phenotype?
Type A
Germination, Growth, Flowering, Pollination
Endometrium
Without looking at the periodic table, what family is Argon?
Noble Gases
Describe how to separate a mixture of salt dissolved in water, sand and seashells so that all materials end up in separate containers.
Sieve the seashells out of the mixture.
Filter the sand out of the salt water
Distill the salt from the water.
What is the percentage chance of having an O phenotype of one parent has genotype AO and the other parent has genotype BO?
25%
Name 2 parts of the male reproductive system that are not part of the female reproductive system.
Prostate, urethra, vas deferens, others.
Write an equation, from memory, of a chemical reaction that respects the Law of Conservation of Mass.
Answers vary
Explain why the noble gases are not very reactive.
They have a complete set of valence (outer) electrons.
Describe how chromatography works.
It separates by allowing the substances that dissolve better to travel farther up the paper, whereas the substances that dissolve less well get left behind as the mixture travels up the paper.
What is the percentage chance of a person having blood type O on their phenotype if one parent has blood type AO and the other has blood type OO?
50%
Juanita is hoping to get pregnant, and is unsure of when her fertile window is this month. She last began menstruating on May 30, and her cycle generally lasts 27 days. Describe when her next date of ovulation likely is and the fertile window surrounding it.
June 7th-13th, ovulation likely the 12th
1.02 or 1.03 g/mL