I NEED HELP PLEASE, THANKS! :)

Briefly explain why noble gases don't have an electronegativity value.

Are hallucinogen a clinically useful drugs?

Which statement is true about ionic compounds?

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent