Answer:
B. Molecules of Elements
Explanation:
An Element is formed of like one type of atoms, and an element is a pure substance.
Answer:
The thermal energy, orheat, of an object is obtained by adding up the kinetic energy of all the molecules within it.Temperature is the average kineticenergy of the molecules.
The correct answer is C. We know this is true since the number of protons an atom has is its atomic number. Since this atom has 9 protons, look for the element on the periodic table that has an atomic number of 9. The element that has an atomic number of 9 is flouring.
I hope this helps.
1. would be deposition
2.sublimation
