The percentage composition of a given compound is defined as the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100
= 34.79 %
To supply oxygen to the body, the respiratory system works closely with the circulatory system. As oxygen is taken in into the lungs, it travels through blood vessels, which then circulate oxygen-rich blood to cells and tissues.
Answer:you should know this
Explanation:
Answer: Iodine
Explanation:
Atomic radius decreases across the period due to the increase in the size of the nuclear charge without a corresponding increase in the number of shells. The atoms become smaller from left to right across the period table. This is the reason why atomic radius decreases across the period.
hydrogen gas (H2), COMPOUND
carbon dioxide (CO2), COMPOUND
Sulfur (S8). ELEMENT
neon (Ne) ELEMENT
and propane (C3H8).COMPOUND
Explanation:
