Unit Conversion (Metric to Metric)
15 meters = ? micrometers
Put your answer in scientific notation.
1.5 x 107 micrometers
62 kg = ? Lbs
Your answers must be in significant figures and scientific notation
2.8 x 101 lbs
0.038 + 113.1 = ?
113.1
How do we solve for neutrons in standard cases?
Mass number - protons = neutrons
What can change the number of electrons in electron configuration?
Ions (elements with charges)
Put your answer in scientific notation
2.98 x 102 DL
34 ounces =? Mg
Your answers must be in significant figures and scientific notation
9.6 x 10-4 Mg
230 x 2.504 = ?
580
How many protons are present in a sodium ion?
11
Write the electron configuration for helium
1s2
0.830 Mg =? mg
Put your answer in scientific notation
8.30 x 108 mg
0.927 DL =? fluid ounces
Your answers must be in significant figures and scientific notation
3.13 x 102 fluid ounces
2020 / (30 x 81)
Your answer needs to be in scientific notation and significant figures
8 x 10-1
How many electrons are in an O-2 anion?
10
Write the electron configuration of silicon.
1s22s22p63s23p2
0.072 dL = ? DL
7.2 x 10-4
1.22 tons = ? pg
Your answers must be in significant figures and scientific notation
1.11 x 1018 pg
(21.3 + 82.99) / 101
Your answer needs to be in scientific notation and significant figures
1.03
Determine the neutrons and electrons for a P-32 isotope.
Neutrons = 17
Electrons = 15
Write the electron configuration for a magnesium cation with a charge of +2.
1s22s22p6
0.09202 pg = ? Tg
Put your answer in scientific notation
9.202 x 10-26 Tg
8.55 liters =? pm3
Your answers must be in significant figures and scientific notation
8.55 x 1033
(372 - 200.3) / (520 / 42)
Your answer needs to be in scientific notation and significant figures
1.4 x 101
Find the protons, neutrons, and electrons for a calcium cation with a positive 2 charge.
Protons = 20
Neutrons = 20
Electrons = 18
Write the electron configuration of a nickel cation with a charge of +3.
1s22s22p63s23p63d7