All About Atoms
What is the atomic number of sodium if it has an atomic mass of 23 and a total of 11 protons?
11
1 mole of Fe (Iron)
55.85g
Ionic compound name for: Barium and Sulfur
Barium Sulfide
What does it mean when an electron is at an "excited state"?
The electron has attained more energy than its ground state, therefore moves up a higher energy level.
Name of the first Michelin star taqueria (taco shop)
El Califa de Leon
Find the number of protons, electrons, and neutrons for the following element: Carbon-12
Protons: 6
Neutrons: 6
Electrons: 6
Orbital notation for "Fluorine"
1s22s22p5
How many moles in MgCO3 if it has 3.62 x 1023 particles?
0.601 moles
What number is used to convert nanometers to meters?
109
What Mexican state is recognized as the "Taco Capital of the World"?
Mexico city!
How many atoms in 23.96g of potassium?
3.7 x 1023
[xe] 6s25d9
Molar mass of Al2O3?
102g
What is Planck's constant and what is it used for?
(6.626 x 10-34)v solves for Energy (J)
What is the standard size of a corn tortilla (In.)?
4-6 inches
Calculate the average atomic mass of Copper 63
62.93 amu
How many moles are present in 875g of Aluminum?
32.95 moles (Al)
How many moles in 145g NaOH?
3.625 moles
The color red has a wavelength of 670nm, calculate the energy. (Round to the nearest tenth)
E= 3.0 x 10-19J
Al pastor (trompo) was a cut that came from what ethnic influence?
Lebanese
Approx. 2
What is the difference between a cation and an anion?
Cation= lost electrons
Anion= gained electrons
Polyatomic ion formula for "Phosphorus Trichloride"
PCl3
The color green has a wavelength of 740nm, calculate the frequency. (Round to the nearest tenth)
V= 4.1 x 1014 I/S
What country participates in "Fredagstaco" ( translates to "Taco Friday") ?
Norway