Question Card 25
cost: 4 neutron points
6 NEUTRON POINTS
How did James Chadwick discovered the neutron?
Graphic by Eric Hamber Secondary
Question Card 24
cost: 4 neutron points 
6 NEUTRON POINTS
How many elements are on the periodic table?
Graphic by Eric Hamber Secondary
Question Card 23
cost: 4 neutron points 
6 NEUTRON POINTS
Henry Moseley concluded that there were ______ (a number) unknown elements between aluminum and gold.
Graphic by Eric Hamber Secondary
Question Card 22
cost: 4 neutron points 
6 NEUTRON POINTS
What did William Crookes point out in vacuum and magnetic fields?
Graphic by Eric Hamber Secondary
Question Card 21
cost: 3 neutron points
5 NEUTRON POINTS
Which of Einstein’s equations did Robert Millikan verify through experiments?
Graphic by Eric Hamber Secondary
Question Card 20
cost: 3 neutron points 
5 NEUTRON POINTS
Henry Moseley demonstrated that the major properties of an element are determined by the __________________, not the atomic weight.
Graphic by Eric Hamber Secondary
Question Card 19
cost: 3 neutron points 
5 NEUTRON POINTS
Who was able to predict properties of elements yet to be discovered?
Graphic by Eric Hamber Secondary
Question Card 18
cost: 3 neutron points 
5 NEUTRON POINTS
What was significant about Marie Curie teaching in Sorbonne?
Graphic by Eric Hamber Secondary
Question Card 17
cost: 3 neutron points 
5 NEUTRON POINTS
Which two elements were discovered by Marie and Pierre Curie in pitchblende (naturally-occurring mineral with uranium)?
Graphic by Eric Hamber Secondary