Heat is needed to change solid to liquid even to gas!
<span>A covalent bond is a bond formed by atom sharing.
In water molecule, there are twice the number of hydrogen atoms than the oxygen atoms. Its structure is H-O-H. The electronegative difference between the H and O allows them to be polar because on side there is positive charge and on another side there is negative charge.</span>
What term and what definition..
Answer:
iodine.
<h2>..................</h2>
Because some machine might not work and would give you the wrong answer
