<span>True , all noble gases have filled outer electron shells, and are nonreactive with other atoms.</span>
Yes, it is 80%. Hope this helps!
Answer:
All alkali and alkaline earth metals dissolves in water to form alkaline solutions.
Explanation:
The alkali metals are found in group one of the periodic table while the alkaline earth metals are found in group 2. These two groups of elements are quite reactive and they react very well with air and water. All the elements in the two groups react with water to give rise to alkaline solutions; solutions whose pH range from 8 to 14.
Answer:
Answer is in a photo. I can only upload it to a file hosting service. link below!
Explanation: