Copper has 29 protons in the nucleus, while Nickel has 28 protons.
Answer (AR)
Explanation: mn has an atomic number of 25 . Simplify use this information to obtain its electronic configuration . MN 1s2 2s2 2p6 3s2 3p6 4s2 3d5
They allow us to see further and are able to focus on light from distant object. This is done by refracting or reflecting the light using lenses or mirrors.
Plant cells, along with every other cell, needs oxygen,carbon, and nitrogen. These are basically the elements every living cell needs to survive.
Plant cells also need sunlight for photosynthesis and produce sugar to convert that into food. <span />
<u>Answer:</u> The correct answer is Option b.
<u>Explanation:</u>
Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another. Every balanced chemical equation follows law of conservation of mass.
This also states that total number of atoms of each element on the reactant side must be equal to the total number of atoms of each element on product side.
From the above information, the correct answer is Option b.
