They have the same number of electrons in their outer shells. Elements in the same group often share similar chemical properties because the outer electrons generally determine a lot of their properties
Which lists the correct order of the steps?<br> 4,2,1,3<br>4,1,3,2<br> 4,3,1, 2<br>4, 2, 3.1
Alik [6]
Answer:
4,3,1,2 thise is my answer.
<span>Add 3 x 10^9 +5.3 x 10^10
</span><span> 3 x 10^9
+5.3 x 10^10
</span>------------------
5.6 x 10^10