3.815 that's the awnser......................................
True. An element's properties are based on their atomic numbers, atomic masses and electron configurations.
Hope it helped!
Answer:
1. False
Balanced forces would mean all forces acting upon an object would be equal. So there is no movement.
2. True
Unbalanced forces would mean there is a force acting upon a side of tge object, causing it to move in a direction.
I think its the mass that changes but im not sure