the question in my paper was ; what is the electronic configuration of alkali metals halogens and noble gases i wrote alkali metals; 1s2, 2s1 halogens; 1s2 ,2s2,2p3 nobel gases; 1s2 2s2 2p4 is this answer correct

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.