Question

an element has only one type of _______​

Answer 1

$\huge{\mathbb{\purple{ A{\pink{ N{\green{ S{\blue{ W{\red{ E{\orange{ R}}}}}}}}}}}}}$

ATOM

$\huge{\mathbb{\purple{ EX{\pink{ PL{\green{ AN{\blue{ AT{\red{ IO{\orange{ N}}}}}}}}}}}}}$

An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing a single proton and a single electron. If you change the number of protons an atom has, you change the type of element it is.

Also refer to attachment

Hope this helps you!

Answer 2

hydrogen , hope it's help❤