Answer:
B. False is the rite answer
80 protons,121 Neutrons, and 80 electrons the element is Mercury
Answer:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance.
Explanation:
Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.
Answer:
net force
Explanation:
The net force acting on an object is the combination of all of the individual forces acting on it. ... If two forces act on an object in the same direction, the net force is the sum of the two forces.
