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13 Cards in this Set
- Front
- Back
- 3rd side (hint)
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An ion with a negative charge (81)
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What is an anion?
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A flourine atom gains one electron to form a 1- charged ion or _____.
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A weak base that neutralizes excess stomach acid.
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What is an antacid?
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Ex. Tums, Rolaids, or Alka Seltzer.
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A weak base that neutralizes excess stomach acid.
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What is an antacid?
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Ex. Tums, Rolaids, or Alka Seltzer.
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A small rocky object that orbits the sun, usually in a band between the orbits of Mars and Jupiter. (545)
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What is an asteroid?
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The largest of these rocks orbit between the Mars and Jupiter.
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The zone of the mantle beneath the lithosphere that consists of slowly flowing solid rock. (561)
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What is the asthenosphere?
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lies under the Lithosphere where magma ( hot molten rock ) is found and forms a ridge in the crust or divergent boundary
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The transmission of a signal using electromagnetic waves. (498)
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What is atomospheric transmission?
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Ex. is the use of microwaves for telephone signals
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The smallest particle that retains the properties of that element. p.39
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What is an atom?
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Many like atoms work together to form element.
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A quantity equal to 1/12 the mass of
the carbon-12 atom. p. 84. |
What is the Atomic mass unit? (amu)
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a unit used to study atomic mass used as a weighted average
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The number of protons in the nucleus of an atom.
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What is the atomic number?
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Also equals the number of electrons in an atom.
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The weighted average of the masses of all naturally occurring isotopes of an element. (84)
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What is the average atomic mass?
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a weighted average so the more common isotopes have greater effect on the average than the rarer isotopes
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The number of particles in 1 mol; equals 6.022 x 10 E23/mol (96)
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What is Avogadro's Constant?
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named in honor of Italian scientist who discovered the number of particles in exactly 1 mol of a pure substance
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The nuclear radiation that arises naturally from cosmic rays and from radioactive isotopes in the soil and air.
(235) |
What is background radiation?
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comes mostly from natural resources, the sun, soil, water, & plants. dangerous to humans & animals
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The forces acting on an object that combine to produce a net force that is equal to zero. (263)
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What are balanced forces?
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completely cancel each other out = zero
ex. tug of war stalemate. |
