The Atom
The atomic theory states that all matter is made up of what?
Atoms
If the electrons are greater than the protons, the atom carries which charge?
Negative
What is the electron configuration of hydrogen (H)?
1s1
What is the molar mass of flourine (F)? (REMEMBER: what are the units??)
18.998 g/mol
What does one wavelength look like?
Pictures may vary
In the molecule H2O, what percentage of the molecule is made up of oxygen?
33%
What is an isotope?
Atoms of the same element that have different numbers of neutrons.
Where are the noble gasses located on the periodic table?
All the way to the right
How many grams are in 2 moles of Chlorine (Cl)?
71
A high wavelength corresponds to a ______ energy level.
Low
Using a periodic table, determine the number of protons, electrons, and neutrons in a stable Carbon atom
Protons: 6
Neutrons: 6
Electrons: 6
Determine the number of neutrons in Helium-3.
1
What is the electron configuration of Boron (B)?
1s22s22p1
12.004x1023 atoms
A high energy level corresponds to a _______ distance of an electron to the nucleus.
further
What are the three subatomic particles and what are their charges?
Proton (+1)
Neutron (0)
Electron (-1)
Determine the number of electrons in a nitrogen atom that carries a +2 charge.
5
What is the shorthand electron configuration of Sodium (Na)?
How many atoms are in 12 grams of carbon?
6.022x1023
On a periodic table, identify where the s, p, d, and f orbitals are located.
Shown on periodic table.
Draw a model of the atom and label the three subatomic particles.
Drawing's may vary.
Determine the number of protons, neutrons, and electrons in 78As2-
Protons: 33
Neutrons: 45
Electrons: 35
What is the electron configuration and the shorthand configuration for Tellurium (Te)?
1s22s22p63s23p64s23d104p65s24d105p4
Shorthand: [Kr]5s24d105p4
How many grams are in 5.02x1023 atoms of lithium (Li)?
5.79 grams
What is the funniest joke you have ever heard?
Holy 6.022x1023-Y!