An iron atom had an atomic number of 26 and an atomic mass 55.8 may. how many protons does an atom have

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

The rules of engagement (roe) working group is often used to (select all that apply.)