Which of the following elements will most likely be shiny and malleable?
A) rhodium (Rh)
B) hydrogen (H)
C) helenium (Se)
D) iodine (I)
E) silicon (Si)
Question 2
Germanium, Ge (number 32), computer chips operate faster than silicon, Si (number 14), computer chips. So how might a gallium, Ga (number 31), chip compare with a germanium chip?
A) A gallium chip would be even faster because the gallium is more metallic.
B) A gallium chip would be slower because its electrons are more loosely held.
C) Gallium is located just below aluminum, which is widely known to be an electrical insulator.
D) Gallium is more nonmetallic and so it does not conduct electrons very well.
The most abundant elements found in living organisms
Living systems such as the human body consist of closely interrelated elements
The periodic table of the elements
Elements of critical thinking
Trace Elements of the Human Body
The Elements of Cognition