Ultraviolet as ultraviolet light waves are around 420 nm like stated in the photo
Answer:
C
Explanation:
Neon is a noble gas, which is monoatomic.
your answer will be :
B. <u>Na has a lower</u> <u>electronegativity than H</u>
because Na belongs to alkali metals which are least electronegative (most electro positive) but hydrogen is a non metal, it has higher electronegativity as compared to metals like Sodium (Na).
Bonds between two atoms that are equally electronegative are nonpolar covalent bonds