Yes magnesium is a pure substance and it is a element.
The elements on the left side of the periodic table are positive ions because they all lose electrons to find balance, thus leaving them with a positive charge.
<span> physical change-i hope this helps:)God Bless:)
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Greetings!
Significant Digits are:
-Non Zero Numbers
-Zeros in between Non Zero Numbers
-Trailing zeros to the right of the decimal point
So when rounding to 4 significant figures, we get:
1023
Hope this helps.
-Benjamin
The equation is already balanced
2AgNO3 + MgCl2 => 2AgCl + Mg(NO3)2
