Take a Gander at Chemistry

You can't live without iron. Where in the body is most of the iron located?

• Your skin

• Your brain

• Your blood

• Your bones

Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?

• Helium

• Argon

• Chlorine

• Krypton

In a solution of saltwater (a saline solution), salt is the:

• Colloid

• Solvent

• Sol

• Solute

The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?

• Arsenic

• Samarium

• Antimony

• Tin

DNA codes for proteins, which are the building blocks of organisms. What is the most abundant protein in the human body?

• Collagen

• Keratin

• Albumin

• Tubulin

A drop of food coloring spreading out in a cup of water is an example of which transport process?

• Diffusion

• Effusion

• Osmosis

• Vapor Pressure

All of the following elements are liquids around room temperature except which one?

• Magnesium

• Mercury

• Bromine

• Gallium

All of the following are amino acids except:

• Tryptophan

• Leucine

• Adenine

• Tyrosine

Heavy water contains what isotopic form of hydrogen?

• Deuterium

• None Of These Choices

• Anterium

• Tritium

Which element has the highest boiling point at 5933.2 Kelvin?

• Hf

• W

• Rn

• Ta