(Multiple-select): Electrons are 1. waves 2. particles 3. made of quarks 4. charged
1. 2. 4.
H-R means:
w) Hot-Red
x) Horizontal-Redshift
y) Hertzsprung-Russel
z) Heavyduty-Reusable
y) Hertzsprung-Russel
Galena is an ore of what element?
Lead
Atomic symbol of Plutonium
w) Pu
x) Pt
y) Pm
z) Po
w) Pu
Which animal has the strongest bite force?
Hippoo
How many electrons does the second electron shell hold?
8
Mnemonic device for remembering spectral classes:
w) ROY G BIV
x) Oh Bad And Furry Gorilla, Kill Me
y) PEMDAS
z) All-Cows-Eat-Grass
x)
True or false: Azurite is a cobalt ore
What section of the Periodic Table is Dysprosium in?
Lanthanides
How many legs do lobsters have?
10
Which radiation particle is the electron?
ß-radiation
Our Sun's spectral class
G
Arsenic
How many naturally occurring elements are there?
w) 83
x) 91
y) 94
z) 101
94
Which two of the following countries have wild alligators?
1. United States 2. Cuba 3. China 4. Haiti
1. US 3. China
Who discovered the electron?
w) Niels Bohr
x) J.J. Thomson
y) Howard Stark
z) Linus Pauling
x) J.J. Thomson
Are brown dwarfs on the HR-diagram?
Yes, and they have special spectral classes for them: L,T,Y
Name two ores of aluminum
Bauxite, Kaolinite, etc.
What is the heaviest non-radioactive element?
Bismuth
Bismuth-209's half life is longer than the universe's age so it's basically stable
What bird has the longest wingspan?
Wandering Albatross (8.5-11ft wingspan)
Electrons are:
w) bosons x) muons y) quarks z) leptons
z) leptons
What's the most common spectral class on the H-R diagram?
M-type, red dwarfs
What's the principle ore of Uranium?
Uraninite (pitchblende)
How many elements were named after the village of Ytterby?
4
Yttrium, Ytterbium, Erbium, Terbium
Which of the following species of sharks can live in freshwater?
1. Bull Shark 2. Reef Shark 3. Lemon Shark 4. Estuary Shark
1. Bull Shark