Answer:
The element argon is in column 8A and is a noble gas. Nobles gases are completely stable because their outershell is filled with all eight electrons. Argon has eight valence electrons.
Answer:
Saffi only
Explanation:
I just took the test and that was the correct answer :)
Answer:
When you place the north pole of one magnet near the south pole of another magnet, they are attracted to one another.
Explanation:
<span> <span>It means that the amount of mass will stay the same after the change occurs.</span></span>