Rahel

This page lists questions and answers that were posted by visitors named Rahel.

Questions

The following questions were asked by visitors named Rahel.

Answers

The following answers were posted by visitors named Rahel.

how many atoms of each element are in the following examples( answers just below the problems, so carefully): KCI, Fe2O3, AI(N3O)3, NH4NO3,AI(SO4)3?
12 years ago
yo= 27
8 years ago
45 25m/s
3 years ago