Which element is an alkali metal with fewer than 10 protons in its nucleus

The p sub shell can hold up to 8 electrons in an atom. true or false?

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins