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10 terms

Pop quiz review for science

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what are the three categories of the period table?
metal, non metal, and metalloids
what are 5 events that tell you that a physical change has occurs?
bubbles,sound, color,burn, and Oder.
what you call group 17?
hole gens
what you call group 18?
Noble Gases
what you call group 1?
alkali metal
what does the law of conservation said?
The law of conservation of mass.
what is the big number in front of an element ?
coefficient
what is the formula for speed?
speed= distance/time
what is the formula for acceleration ?
final speed/time= initial speed
what is the formula for velocity?
velocity+ displacement/ time