Which metal will lose electrons more easily, Ca or Mg?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?