This is the answer of 45.07 cm + 9.8 cm in the correct number of sig figs.
What is 54.9 cm.
100
This scientist discovered the nucleus during his Gold Foil Experiment.
Who is Rutherford.
100
You use me to protect your eyes while looking at a white hot flame.
What is cobalt glass.
100
This is the name of N7O2
What is heptanitrogen dioxide.
100
Name the largest macromolecule.
What are nucleic acids.
200
These are the five steps of the scientific method - in the correct order of course.
What are observe, hypothesize, experiment, analyze, and conclude.
200
This atom has 78 electrons and 117 neutrons.
What is platinum (Pt)
200
Iodine-131 has a half-life of 8 days. If you have 5 g of I-131 after 24 days how much I-131 did you start with?
What is 40 g.
200
This is the shape of BF3.
Trigonal Planar.
200
A this type of bond is a bond between two different molecules whereas a this type of bond is a bond within one molecule.
What are intermolecular and intramolecular bonds.
300
This is the answer of 98.3002 mm x 5.40 mm to the correct number of sig figs.
What is 531 mm^2.
300
This is the most electronegative element on the periodic table.
What is Fluorine.
300
Which element has a lower ionization energy - Potassium or Bromine?
What is Potassium.
300
Under which circumstances is a tetrahedral molecule polar?
When the four bonds are of unequal strength. The outer atoms are not the same element.
300
Name four of the characteristics of living things.
Cells
Obtain/Use Energy
Grow and Develop
Reproduce
Homeostasis
Evolve
Respond to Environment
DNA
400
This is the density of a metal that has a volume of 3 mL and a mass of 1.5 g. Don't forget your units!
What is 0.5 g/mL
400
A Magnesium Ion (Mg2+) has how many protons, electrons, and neutrons?
What are 12 protons, 10 electrons, and 12 neutrons.
400
This is the institution where I did my undergrad
What is Colby (Ms. Nicholson) or BU (Mrs. Courtney).
400
This is the rule that says electrons want to obtain the electron configuration of a noble gas.
What is the octet rule.
400
These are the two types of cells that have both a cell wall and a cell membrane.
Prokaryotic cells and Plant cells.
500
State the Independent Variable and Dependent Variable in the paper titled," The Effect of Exercise on Carbon Dioxide Production."
IV = Amount of Exercise
DV = Carbon Dioxide PRoduction
500
The element X has two naturally occurring isotopes: X-24 and X-26. X-24 has an abundance of 30% and X-26 has an abundance of 70%. What is the average atomic mass?
What is 25.4 amu.
500
Name a monosaccharide, a disaccharide and a polysachharide.
Amino acids are held together by this type of bond, monosachharides are held together by this type of bond, and nitrogenous bases are held together by this type of bond.
What are peptide bonds, glycosidic bonds, and hydrogen bonds.