Explanation: just add the atomic masses on the periodic table together for each atom.
Strontium (Sr). Elements in the same group of the periodic table have similar characteristics.
Answer:
1. 4
2. 2
3. 3
4. 1
Explanation: just did it on edge 2021
Answer:
Hydrogen Peroxide is known as a dental “debriding agent”. But when used on skin for minor wounds it will foam and turn surrounding tissue white. ... H2O2 decomposes easily to make water (H2O) and a single free oxygen atom which is looking for something to react with - like your skin.
Explanation:
