All Elements are obtained in the periodic table & water is Not an element it is a compound.
Answer:materials that impede the free flow of electrons from atom to atom and molecule to molecule.
Answer:
a) reaction with oxygen
2mg +o2---------2mgo
b) Agno3+NaCl ----------AgCl+NaNo3
Answer: COMBINED FORCES
When forces act in the same direction, they combine to make a bigger force. When they act in opposite directions, they can cancel one another out. If the forces acting on an object balance, the object does not move, but may change shape.
Explanation:
