Answer:
HCI-
hydrochloric acid
hydrogen chloride (HCl), a compound of the elements hydrogen and chlorine, a gas at room temperature and pressure. A solution of the gas in water is called hydrochloric acid.
SO²-
Sulfur dioxide
Chemical compound
Sulfur dioxide or sulphur dioxide is the chemical compound with the formula SO ₂. It is a toxic gas responsible for the smell of burnt matches. It is released naturally by volcanic activity and is produced as a by-product of copper extraction and the burning of sulfur-bearing fossil fuels.
Formula: SO₂
IUPAC ID: Sulfur dioxide
Molar mass: 64.066 g/mol
CaF²-
CALCIUM FLUORIDE
Calcium fluoride is used as component of electrolyte, fluxing agent for aluminum metallurgy. ... Calcium fluoride is a mineral composed of CaF2. It occurs as cubic, isometric crystals and cleavable masses. When pure, it is colorless and transparent, or translucent with a glassy luster.
Calcium fluoride is the inorganic compound of the elements calcium and fluorine with the formula CaF₂. It is a white insoluble solid. It occurs as the mineral fluorite, which is often deeply coloured owing to impurities.
Formula: CaF2
IUPAC ID: Calcium fluoride
Molar mass: 78.07 g/mol
Melting point: 1,418 °C
Boiling point: 2,533 °C
Solubility: insoluble in acetone; slightly soluble in acid
Density: 3.18 g/cm3
Explanation:
SHORT ANSWER:
HCI=HYDROCHLORIC ACID
SO²= SULFUR DIOXIDE
CaF²=CALCIUM FLUORIDE
