Answer:
pairs of electrons
Explanation:
covalent bondin occurs when pairs of electrons are shared by atoms.... nonmetal will readily form covalent bonds with other nonmetal in order to obtain stability.
At 100°C the pH<span> of pure </span>water<span> is 6.0 and at 0°C is 7.5 (i.e., </span>temperature affects pH<span>). a </span>pH<span> of 4.45, although other components of </span>soil<span> solution </span>can<span> raise or lower it.</span>
F BLOCK is the block on the period table that contains the actinide series of elements.
Actinide series of elements are two rows under the periodic table which include Lanthanide series and Actinide series. These are all radioactive elements and all of these are not not found in nature. All these are included in F block element.
