How many protons and electrons are contained in an
atom of element 44?

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

How many atoms are there in 5.70 mol of mg