Điện tích hạt nhân của nguyên tử nitơ là 7+. Số electron lớp ngoài cùng của nguyên tử nitơ là A. 2 electron B. 3 electron C. 4 electron D. 5 electron

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

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

Geothermal energy for industrial use is available almost anywhere. a.true b.false