Group 1 and group 7 of element group consists of alkali metal, which are generally combined with other elements in nature, so they have properties of compound
Answer:
the number of protons in the nucleus of an atom. the number of protons define the identity of an element
B.To transmit signals first it got to reach the antennas thingys to send the signal thats how we get our data and wifi on our phones
It's melting, so solid to liquid
Each atom will be attracted to both nuclei if the two atoms get close then the nuclei will repel each other