Chemistry comes alive Quiz
What form of energy is the stimulus for vision
Name the 4 major elements of the body
carbon, hydrogen, oxygen, nitrogen
the mass number of an atom is:
the sum of its protons and neutrons
a deficiency in this element can be expected to reduce the hemoglobin content of blood.
a proton is?
a positively charged, 1 AMU, in the nucleus
The subatomic particles responsible for the chemical behavior of atoms are:
In the body carbohydrates are stored as:
What is a mixture?
properties of its components are retained
components can be physically separated
includes homogenous and heterogeneous examples
A beaker full of water, the bonds ca be called:
when a pair of electrons is shared between 2 atoms, the bond formed is called:
a single covalent bond
Molecules that form when electrons are shared unequally are:
2Hg + O2 -> 2HgO is an example of what type of chemical reaction?
HCL + NaOH -> NaCL + H2O is an example of what type of chemical reaction?
An exchange reaction
what factors increase the rate of a chemical reaction?
catalysts, increased temperature, increasing the concentration of the reactants.
NaCl is an example of a organic or inorganic compound?
Acids release _________when dissolved in wahter
the chemical compound of carbon, hydrogen and oxygen in the proportion of 1:2:1 with a 6 sided molecular share is most likely:
Triglycerides consist of:
glycerol plus 3 fatty acids
a chemical has a amine group and an organic acid group but no peptide bonds is a:
an amino acid
The lipids used as the basis of Vitamin D, sex hormones, and bile salts are:
enzymes are organic catalysts that:
increase the speed of a chemical reaction