In the notation,5N2 what is the number of nitrogen atoms and nitrogen molecules​

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

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