The Periodic Table
The Compound Name Game
Formula Frenzy
Chemistry is not Bohring!
Riding the Waves
100
Elements on the PT are arranged in order of increasing...
atomic number
100
CH4
carbon tetrahydride
100
Ammonium Sulfide
(NH4+)2S
100
What is a Bohr model / what does it show?
Protons, neutrons and electrons in the proper orbitals for an element
100
What is this image showing?
The Electromagnetic Spectrum
200
Lithium, Aluminum and Vanadium are all classified as...
metals
200
Al2O3
aluminum oxide
200
Cadmium Sulfate
CdSO4-2
Remember Cadmium is always a +2 charge
200
What is an ion?
An element that has gained or lost electrons and has taken on a charge.
200
If an element emits a RED flame, describe what each of the following would be:
FREQUENCY
ENERGY
WAVELENGTH
FREQUENCY - LOW
ENERGY - LOW
WAVELENGTH - LONG
300
Nonmetals such as Nitrogen and Oxygen tend to form _______ which are negatively charged ions.
anions
300
Li2SO3-2
Lithium sulfite
300
Zinc Chloride
ZnCl2
Remember Zinc is always a +2 charge
300
Draw the Bohr model for an ION of Beryllium and indicate its charge.
300
If an element emits a BLUE-PURPLE flame, describe what the following would be:
FREQUENCY
ENERGY
WAVELENGTH
FREQUENCY - HIGH
ENERGY - HIGH
WAVELENGTH - SHORT
400
Metals tend to form ______ which are positively charged ions.
cations
400
FeF3
Iron (III) Fluoride
400
Sodium Carbonate
Na2CO3-2
400
Draw a Bohr model of Nitrogen and indicate its charge.
400
Describe what happens when an unstable electron is exposed to heat (like we saw in the flame lab).
The electron starts to gain energy and moves to a different energy level away from the nucleus, which emits light in the process of falling back toward the nucleus.
500
This classification of elements tend to have properties of both metals and nonmetals.
metalloids
500
Mg(CN)2
Magnesium Cyanide
500
Strontium Chromate
SrCrO4-2
500
Draw a Bohr model of Neon and indicate its charge.
500
Why did Potassium emit a purple/pink flame in our experiment?
Potassium had more energy levels, also called orbitals, to jump.