Answer:
The distribution of electrons in energy levels is responsible for the shape of the periodic table.
Explanation:
Henry Moseley in the 1900s re-stated the periodic law by changing the basis of the table to reflect more on the atomic number. The present law is therefore "the properties of elements are a periodic function of their atomic numbers".
Atomic number is the number of electrons in an atom and it is the same as the number of protons for neutral atoms.
In the table, elements having the same number of electrons in the outermost shell of their atoms are placed over one another in vertical columns. Each of the vertical column is known as a group or family while each of the resulting horizontal rows is known as period or row.
Energy cannot be destroyed or created. Electricity is a form of energy which has to be created from other forms of energy. We have to pay for the creation of electricity because it requires certain resources to transform other energies into electricity.
Answer:
H-O* + CH3-CH3 ----> H-O-CH2-CH2*
Answer:
2.5 grams
Explanation:
you can see it on the graph
