Answer:
sorry I don't really know about that question.
Explanation:
Answer:
Explanation:
Velocity by definition means speed and direction of an object. This means it has a value and a positive or minus sign indicating direction. Speed is the absolute value of velocity because there is no direction correlated with speed. If you add a direction, it is then called velocity
Tin is Sn, atomic number 47 is Silver, Mass of sodium is 22.9 u