ASAP HELPP PLEASE Phosphorus
pentafluoride is a known toxic, colorless gas while nitrogen pentafluoride is only a
theoretical compound. Justify this statement. Use your knowledge about the octet rule, its
exceptions and atomic orbitals in your explanation

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Ineed with my science work! it’s due tomorrow!

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