Homework: Becoming Familiar with Atoms of the Periodic Table

Last updated about 1 year ago

10 questions

Homework: Becoming Familiar with Atoms of the Periodic Table

Last updated about 1 year ago

10 questions

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? __________

Match the following

Found in the nucleus of an atom

Label all of the parts of this atom

Other Answer Choices:

electron

electron cloud

nucleus

neutron

proton

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)

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)

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? __________

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