Q.1 When a metal is heated, what happens to the electrons in
the atoms?
Q.2 What is the state an atom is in when it Absorbs energy?
Q.3 What is released from an atom when an electron returns to its ground state?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?