Number 4 is
-Oxidation occurs at the anode, while reduction occurs at the cathode. Recharging a battery involves the conversion of electrical energy to chemical energy. During recharging, there is movement of electrons from an external power source to the anode, and on the other side electrons are removed from the cathode.
Answer:
to show that atoms are conserved in chemical reactions
Explanation:
Answer:
Explanation:
Bromine >Tellurium > Phosphorus > Helium > Sodium
Electron affinity of Bromine , Tellurium , Phosphorus are positive , of helium is zero and of sodium is negative .
Answer:
x
Explanation:
becaue neutron equal to mass num -atomic num
In a liquid, particles are close together but can move in any direction. They won't keep a definite shape like solids do.
