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13 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
An ion with a negative charge (81)
What is an anion?
A flourine atom gains one electron to form a 1- charged ion or _____.
A weak base that neutralizes excess stomach acid.
What is an antacid?
Ex. Tums, Rolaids, or Alka Seltzer.
A weak base that neutralizes excess stomach acid.
What is an antacid?
Ex. Tums, Rolaids, or Alka Seltzer.
A small rocky object that orbits the sun, usually in a band between the orbits of Mars and Jupiter. (545)
What is an asteroid?
The largest of these rocks orbit between the Mars and Jupiter.
The zone of the mantle beneath the lithosphere that consists of slowly flowing solid rock. (561)
What is the asthenosphere?
lies under the Lithosphere where magma ( hot molten rock ) is found and forms a ridge in the crust or divergent boundary
The transmission of a signal using electromagnetic waves. (498)
What is atomospheric transmission?
Ex. is the use of microwaves for telephone signals
The smallest particle that retains the properties of that element. p.39
What is an atom?
Many like atoms work together to form element.
A quantity equal to 1/12 the mass of
the carbon-12 atom. p. 84.
What is the Atomic mass unit? (amu)
a unit used to study atomic mass used as a weighted average
The number of protons in the nucleus of an atom.
What is the atomic number?
Also equals the number of electrons in an atom.
The weighted average of the masses of all naturally occurring isotopes of an element. (84)
What is the average atomic mass?
a weighted average so the more common isotopes have greater effect on the average than the rarer isotopes
The number of particles in 1 mol; equals 6.022 x 10 E23/mol (96)
What is Avogadro's Constant?
named in honor of Italian scientist who discovered the number of particles in exactly 1 mol of a pure substance
The nuclear radiation that arises naturally from cosmic rays and from radioactive isotopes in the soil and air.
What is background radiation?
comes mostly from natural resources, the sun, soil, water, & plants. dangerous to humans & animals
The forces acting on an object that combine to produce a net force that is equal to zero. (263)
What are balanced forces?
completely cancel each other out = zero
ex. tug of war stalemate.