They are made up of atomic bombs,energy
No, it is a physical property.
Li is the formula for lithium.
e
Ni is the chemical symbol for Nickel
chmical bond
Yes, it is true.
Ca Capital C small a
Helium is chemically inert; it does not combine with any other element.
Cl... is the chemical symbol for the elementChlorine. It's not a formula.
a physical because it becomes water again a chemical means it can not change back
i.e. smoking/steaming, ready to explode or spill over, bubbling
The chemical name for high-molecular-weight polyethylene is polyethylene. It is often referred to as HMW-HDPE (high molecular weight high density polyethylene).