Answer:
reeeeeeeeeeeeeeeeeeeeeeee
Explanation:
Answer:
This is what the picture will look like
Explanation:
Answer is: <span>all of them are hard and dense metals.
Beryllium, magnesium,calcium and strontium are a</span>lkaline earth metals. The elements have very similar properties. Alkaline earth metals<span> have in common an outer s- </span>electron shell (two electrons). Strontium has greatest density of this four elements.
Yes its has a atomic number 1
i don't know myself either !!
Explanation:
i kill whoever i want