1) _______A noble gas in the 5th energy level.

2) _______An alkali metal with the electron configuration ending in the 4s1

3) _______A coinage metal in the 6th energy level.

4) _______This element gets a -2 charge when it becomes stable and behaves like Ar.

5) _______An alkaline earth metal in the 3rd energy level

Question

1)  _______A noble gas in the 5th energy level.

2)  _______An alkali metal with the electron configuration ending in the 4s1

3)  _______A coinage metal in the 6th energy level.

4) _______This element gets a -2 charge when it becomes stable and behaves like Ar. 

5)  _______An alkaline earth metal in the 3rd energy level

surry99 · Answer

ok lets start with 1...what do you think?