Non Math
Based on the periodic table, Sr forms the ion ____________
Sr2+
Calculate the mass in g of carbon in 953 mg C22H40O3.
0.714 g C
Calculate the total atoms in 4.25 Mg MgSO4•7H2O
2.80E29 atoms
Cl2O6 is what
dichlorine hexoxide
How many planets are in our solar system?
8
The effective nuclear charge of Se is about ________
6
A certain compound is 42.6% Pb by mass. The compound has a density of 4.13 g/mL. What mass of lead in kg is contained in 5.20 L of the compound?
9.15 kg Pb
Calculate the total atoms in 35.4 pg C9H16N4
3.43E12 atoms
P4O10 is what
tetraphosphorus decoxide
What is the largest desert on Earth by area?
Antarctica
The radius of Br is _____________ than the radius of Sr
smaller
Calculate % O by mass in copper(II) sulfate pentahydrate.
57.7% O by mass
Calculate the molar mass of C17H21NO4 in g/mol
303.348 g/mol
BF3 is
boron trifluoride
What is the Carboxylic acid structure?
(Organic Chem 1)
3x Points
consists of a carbonyl group (C=O) and a hydroxyl group (–OH) attached to the same carbon atom.
Write the ground-state electron configuration for Cd2+
(Noble Gas Notation)
[Kr] 4d10
A certain compound is 24.5% C by mass. What mass of this compound in mg contains 5.11x1020 atoms C?
49.7 mg compound
How many molecules are in 12.0 Mg dinitrogen pentoxide?
6.69E28 molecules N2O5
N2O3 is
dinitrogen trioxide
What is the only National flag that isn't a rectangle or a square?
Nepal
Write the ground-state electron configuration for Ga3+:
(Noble Gas Notation)
[Ar] 3d10
A certain compound is 12.8% S by mass. The density of the compound is 1.46 g/cm3. Find the volume of the compound in m^3 that contains 825 kg S.
4.41 m3
How many formula units are in 8.42 cg barium hydrogen carbonate?
1.93E20 formula units Ba(HCO3)2
Ga2O3 is what
gallium(III) oxide
Who is the current starting quarterback at UARK?
Taylen Green