Explanation:
Atomic radius decreases from left to right in a period.
Therefore Calcium would have a smaller atomic size.
In acidic solutions you have H+ but in basic solutions you have OH-.
You need know that for to balance the reaction.
35g Mg x 1mol / 24g = 840 mol
Answer:
d is the answer of this question
Answer:
The answer is 1 and 4.
Explanation:
Mass is most concentrated in the nucelus of an atom. Therefore, if you are looking to find the area with the least mass, go outside of the nucelus. Points one and four are the furthest outside of the nucleus.