<span>"second industrial revolution. what were the conditions that enabled it to happen? what were the results?"</span>
<span>Lenin and the Bolsheviks took power.</span>
Each element has its unique properties, each contain a different number of protons and neutrons giving it its own atomic number and mass number
Explanation:
silver is (uncountable) a lustrous white metallic element, atomic number 47, atomic mass 10787 symbol ag while iron is (uncountable) a common. inexpensive metal often black in colour that rusts is attracted by magnets and used in making steel
