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8 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
The number of protons in the nucleus of an atom.
What is the atomic number? (82)
# located above symbol, never changes, always = # electrons.
The balance of charge within an atom which makes it capable of existing alone or in combination with other atoms.
What is the atomic structure? (70-76)
Explained by Bohr's Model(like planets) & the Modern Model(Orbitals)of Atomic Theory
To come together.
What is attract? (
magetism (opposites ? )
The nuclear radiation that arises naturally from cosmic rays and from radioactive isotopes with other atoms.
What is background radiation?
derived from natural sources: sun, soil, water, and plants
A substance that releases hydroxide ions in solution and turns red litmus paper blue.
What is a base? (201)
bitter taste, slippery, conducts electricity, can burn like acids (ex. drain cleaner)
A wet or dry cell that produces an electric current.
What is a battery? (440)
vary by voltage, amperes, dry/wet, criteria
A wave of energy as an electron is given off by a radioisotope.
What are beta-particles? (221)
electron(s) emitted during the radioactive decay of a neutron in an unstable nucleus
The temperature at which a liquid becomes a gas.
What is the Boiling Point? ( 54 )
synonymous with evaporation process