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11 Cards in this Set

  • Front
  • Back
MATTER
Anything that occupies space and has weight
Matter states
Liquid -)blood, saliva
Solid -)skin, bones
Gas -) the air we breathe
ELEMENT
A substance that can not be broken down into a simpler form by ordinary chemical reactions
ATOMS
Is the smallest unit of an element with the element's chemical caracteristics
PROTONS
Carry a POSITIVE (+) electrical charge
NEUTRONS
Carry NO electrical charge
ELECTRONS
Carry a NEGATIVE (-) electrical charge
ATOMIC NUMBER
Number of protons in the nucleus
ATOMIC WEIGHT
Determinated by adding the number of protons and neutron in the nucleus
ISOTOPE
Is a different form of the same atom
RADIOISOTOPE
Unstable isotope
Is damaging to tissue and use clinically to destroy cells