Look at the periodic table and in the space below; type in the missing element name or symbol. Examples:

Uranimum: U

Au: Gold

Iron:
Co:
Na:
Tin:
P:
F:
Sb:
Magnesium:
Titanium:
Ca:
Carbon:
Lead:
Ag:
Zn:
Ni:

Two things that biomedical has invented or innovated

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: