Measurement, Accuracy, and Precision
The primary system of measurement in science
Metric
Name for the most common model of atoms that is used
Bohr Model
Alkali Metals
Term for outermost electrons
valence
If you placed all of the students in this class period in alphabetical order by LAST name, who would be last?
Aelar Wright
This is the term for a measurement that is close to a known standard or value
accuracy
Which of the following is not an atomic model discussed in class:
A. Bohr
B. Samson
C. Dalton
D. Rutherford
B. Samson
Determine the number of neutrons in Molybdenum
96-42= 54 neutrons
Which element is represented by the following and is it grounded or excited?
2-8-3-1
Silicon; Excited
In what year was Spotify founded?
2006
How many significant figures are in the following:
0.000000912
3
Has a definite volume and indefinite shape best describes which state of matter?
Term for rows on the periodic table
Period
Name the following substance:
CoCO3
Cobalt Carbonate
How many episodes of the original Bill Nye the Science Guy are there?
6 seasons; 102
Convert the following into scientific notation:
19,700,000
1.97 x 107
Term for a substance that is formed when one or more solutes dissolve in a solvent.
Solution
Which element has the greatest electronegativity?
A. Oxygen
B. Francium
C. Helium
D. Fluorine
D. Fluorine
Draw the lewis structure for carbon and bromide
See Slides
The "Big Easy" is a nickname for which US city?
New Orleans
Determine the correct answer for the following:
10.907 + 11.23 - 12.1
10.0
Milk is an example of what kind of substance?
Colloid- homogenous, particles spread out but not settle, appear cloudy
Which element has the greatest ionization energy?
Helium
Write the abbreviated electron configuration for Osmium
[Xe] 6s24f145d5
As of December 2024, how many students are enrolled in the West-Linn Wilsonville School District?
8,933