When one atom losses an electron and another atom simultaneously gains one, what has taken place is ...

When one atom losses an electron and another atom simultaneously gains one, what has taken place is called _____.
 a. synthesis
  b. a redox reaction
  c. reduction
  d. metabolism

Q. 2

Meat turns brown when exposed to air because the iron-containing proteins _____.
 a. become contaminated with bacteria
  b. become chemically unstable
  c. are reduced
  d. are oxidized

Q. 3

Oxidation is the _____.
 a. loss of 1 or more protons
  b. loss of 1 or more electrons
  c. gain of 1 or more protons
  d. gain of 1 or more electrons

Q. 4

When an atom of fluorine gains an electron it becomes the _____.
 a. cation fluorine
  b. cation fluoride
  c. anion fluoride
  d. anion fluorine

Q. 5

Subatomic units that are positively charged are called _____.
 a. electrons
  b. neutrons
  c. molecules
  d. protons

Q. 6

The reaction shown here represents _____. H2  2H+ + 2e-
 a. redox
  b. reduction
  c. oxidation
  d. oxygenation

Q. 7

If an atom has 4 protons and 2 electrons it will be called a(n) _____.
 a. quark
  b. ion
  c. lepton
  d. fragment

Q. 8

An atom is neutral when the number of _____.
 a. neutrons equals the number of electrons and protons
  b. protons is twice the number of electrons
  c. electrons is twice the number of protons
  d. protons equals the number of electrons