Homework: Becoming Familiar with Atoms of the Periodic Table
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Last updated 11 months ago
10 questions
8
A) Who is credited for the creation of the periodic table? __________
B) How many elements did Dmitri predict accurately? __________
C) Where and when was Dmitri born? __________
D) When he was a young, what challenges did Mendeleev's family face? __________
E) What prompted Mendeleev to begin to make his own vision of the periodic table? __________
F) Why did Dmitri leave gaps in the periodic table? __________
G) How was he able to predict the properties of elements? __________
H) Which element's properties were correctly predicted 70 years before its discover? __________
1
Even though he never won a Nobel Prize, Mendeleev did have an element named after him.
In 1955, a scientist at U.C Berkely created an element with the atomic number 101. In 1963, this element officially became known as mendelevium. He is 1 of only 15 scientists to have an element named after them.
If you were a scientist, what would you like an element named after you to be called?
Even though he never won a Nobel Prize, Mendeleev did have an element named after him.
In 1955, a scientist at U.C Berkely created an element with the atomic number 101. In 1963, this element officially became known as mendelevium. He is 1 of only 15 scientists to have an element named after them.
If you were a scientist, what would you like an element named after you to be called?
1
Match the following
Match the following
- Found in the nucleus of an atom
- Postive charge (+)
- Neutral charge
- Found outside (the nucleus) in an electron cloud
- Negative charge (-)
- Proton
- Neutron
- Electron
1
Label all of the parts of this atom
Other Answer Choices:
electron
3
electron cloud
nucleus
neutron
proton
2
1
Look at the following diagrams. Use the information to identify the following atoms.
Empty dots = protons
black dots = neutrons
black dots on the outer lines = electrons
Other Answer Choices:
Neon (Ne)
Aluminum Al
Oxygen (O)
1
Look at the following diagrams. Use the information to identify the following atoms.
Empty dots = protons
black dots = neutrons
black dots on the outer lines = electrons
Other Answer Choices:
hydrogen (H)
neon (Ne)
sulfur (S)
1
1
A) Why was there confusion on the official names of elements before 1919? __________
B) Who decides the official naming rules for elements? __________
C) What are the basic rules for naming elements?__________
D) What were the "Transfermium wars"? __________ How was the conflict resolved? __________
1
Complete the following grid based on elements you've read about in the text
Other Answer Choices:
americium, californium, berkelium, polonium, germanium, nihonium, scandium, moscovium, tenessine, strontium, copper, francium, galium, ytterbium, erbium, terbium, yttrium
helium, neptunium, plutonium, mercury, uranium, palladium
tantalum, niobium, thorium, titanium, vanadium
molybdenum, platinum, zirconium, nickel, cobalt
curium, einsteinium, mendelevium, bohrium, fermium, roentgenium, rutherfordium, oganesson, seaborgium
1
A) The Latin name for Russia is Ruthenia. Which element do you think was named for Russia? ______________
B) Lutetia is the latin word for Paris. Which element do you think was named in honor of Paris?_____________
C) Holmia is the Latin word for the Swedish city of stockholm. Which element is named for this city? ____________
D) Which element is named for Alfred Nobel, the scientists who established the Nobel Prizes? _____________
E) Lise Meitner was and Austrian-Swedish physicist who worked on radioactivity & nuclear physics & helped to lead a group of scientists who first discovered nuclear fission of urnaium. Which element was named after her? _______________
F) Nicolaus Copernicus was a Polish scientist and astronomer who proposed that the Earth and other plants circle the Sun. Which element is named in honor of Copernicus? ________________
G) Selene is the Greek word for moon. Which element was named for the moon? _____________
H) Tellus is the Latin word for Earth. Which element was named for Earth. ______________
I) Which element comes from the German word zinkle? _________
J) Neos didymos is the Greek phrase for new twin. Which element got its name this way? ______________
K) Prometheus is a character that stole fire from the gods in Greek mythology. Which element is named for Prometheus? _______________
L) The greek word dysprositos means "difficult to get". Which element was named because it was extremely difficult to isolate? _______________
M) The latin word carbo means coal or charcoal. Which element would you predict makes up coal or charcoal? ___________
Other Answer Choices:
selenium
tellurium
ruthenium
lutetium
zinc
carbon
nobelium
copernicium
meiternium
promethium
dysprosium
holmium
neodymium