The chemical symbol for gold is Au.

Neon is a noble gas.

Iodine is a halogen.

Helium is a noble gas with the chemical symbol He.

The halogens include Fluorine (F), Chlorine (Cl), and Bromine (Br).

Elements in the same group have similar atomic properties.

NaCl is commonly known as sodium chloride.

The transition metals are found in the d-block of the periodic table.

Silicon is a metalloid with the chemical symbol Si.

Sublimation is the process of converting a solid directly into vapor.

The chemical formula for sulfuric acid is H₂SO₄.

CaCO₃ is commonly known as calcium carbonate.

Fluorine has the highest electronegativity.

The chemical symbol for the element mercury is Hg.

The lanthanides are located in Period 6 of the periodic table.

CO₂ is commonly known as carbon dioxide.

The chemical symbol Fe represents iron.

The chemical formula for ammonia is NH₃.

The actinides are located in Period 7 of the periodic table.

Xenon is a noble gas.

HCl is commonly known as hydrochloric acid.

The chemical symbol K represents potassium.

Elements in the same period have the same number of electron shells.

MgSO₄ is commonly known as magnesium sulfate.

Oganesson has the highest atomic number.

Iron is a transition metal.

CH₄ is commonly known as methane.

The chemical symbol Ne represents neon.

The process of a gas turning into a liquid is known as condensation.

Sodium is an alkali metal.

KNO₃ is commonly known as potassium nitrate.

The chemical symbol Pb represents lead.

H₂O is commonly known as water.

Boron is a metalloid.

NaOH is commonly known as sodium hydroxide.

The halide ion is represented as Cl⁻.

The chemical formula for table salt is NaCl.

Gold is a transition metal commonly used in jewelry.

BaSO₄ is commonly known as barium sulfate.

The chemical symbol Ag represents silver.

The alkali metals are found in Group 1 of the periodic table.

PCl₅ is commonly known as phosphorus pentachloride.

Neon is a noble gas used in lighting.

Ca(NO₃)₂ is commonly known as calcium nitrate.

The lanthanides belong to the f-block of the periodic table.

The chemical symbol Cl represents chlorine.

Fe₂O₃ is commonly known as iron(III) oxide.

The chemical symbol Cu represents copper.

CO is commonly known as carbon monoxide.

The noble gases are found in Group 18 of the periodic table.

Al₂O₃ is commonly known as aluminum oxide.

Tungsten has the highest melting point among the given options.

H₂SO₃ is commonly known as sulfurous acid.

Neodymium is a rare earth element.

NH₄Cl is commonly known as ammonium chloride.

The chemical symbol Sn represents tin.

CO₃²⁻ is commonly known as carbonate.

Lead is a heavy metal often associated with batteries.

HNO₃ is commonly known as nitric acid.

The actinides belong to the f-block of the periodic table.

K₂CO₃ is commonly known as potassium carbonate.

Neptunium is an actinide.

H₂S is commonly known as hydrogen sulfide.

CaCO₃ is commonly found in limestone.

The chemical symbol I represents iodine.