What determines what element a configuration of protons, neutrons ...

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What determines what element a configuration of protons, neutrons and electrons will be is
 
  1) the number of protons,
  2) the number of neutrons,
  3) the mass of protons and neutrons,
 
  and the principal variable that determines whether the atoms will form a solid, liquid, gaseous, or plasma phase is
  4) atomic number.
  5) atomic weight.
  6) density.
  7) temperature.

Question 2

A satellite follows an elliptical orbit about a planet as shown. The speed of the satellite is greatest when the satellite is in position
 
  1) A.
  2) B.
  3) C.
  4) D.
  5) same at all points in its orbit.
 
  At which position is there no component of force in the direction of the satellite's instantaneous velocity?
  6) A
  7) B
  8) C
  9) D
  10) A component of force exists in the direction of instantaneous velocity at every point along the orbital path.

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Answer to Question 1

Answer: 1, 7

Answer to Question 2

Answer: 1, 6

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