Question

Срочно! Выпишите формулы простых веществ-неметаллов и простых веществ-металлов. P Fe Cu(OH)2 AgNO3 CaO Cl2 H2SiO3 Даю 30 баллов. Заранее спасибо.

Answer 1

P- неметалл
Fe- металл
Cl2-неметалл
Все простые вещества,удачи!

Answer 2

Simple Substances - Non-Metals:

1. Phosphorus (P): The chemical symbol for phosphorus is P. It is a non-metal element that exists in several different forms, such as white phosphorus, red phosphorus, and black phosphorus. The molecular formula for white phosphorus is P4, while red phosphorus does not have a specific molecular formula. [[1]] 2. Chlorine (Cl2): Chlorine is a non-metal element with the chemical symbol Cl. It exists as a diatomic molecule, meaning it consists of two chlorine atoms bonded together. The molecular formula for chlorine gas is Cl2. [[2]]

Simple Substances - Metals:

1. Iron (Fe): Iron is a metal element with the chemical symbol Fe. It is commonly found in the Earth's crust and is known for its strength and ability to form alloys. The atomic number of iron is 26, and its atomic weight is 55.845. [[3]] 2. Copper (Cu): Copper is a metal element with the chemical symbol Cu. It is a highly conductive metal and is often used in electrical wiring and plumbing. The atomic number of copper is 29, and its atomic weight is 63.546. [[4]]

Compounds:

1. Copper(II) hydroxide (Cu(OH)2): Copper(II) hydroxide is a compound composed of copper, hydrogen, and oxygen. Its chemical formula is Cu(OH)2. It is a blue solid that is often used as a fungicide and in the production of pigments. [[5]] 2. Silver nitrate (AgNO3): Silver nitrate is a compound composed of silver, nitrogen, and oxygen. Its chemical formula is AgNO3. It is a white solid that is commonly used in photography, medicine, and as a laboratory reagent. [[6]] 3. Calcium oxide (CaO): Calcium oxide, also known as quicklime, is a compound composed of calcium and oxygen. Its chemical formula is CaO. It is a white, caustic, crystalline solid that is used in various industrial applications, such as cement production and water treatment. [[7]] 4. Silicic acid (H2SiO3): Silicic acid is a compound composed of hydrogen, silicon, and oxygen. Its chemical formula is H2SiO3. It is a weak acid that is found in various forms, such as orthosilicic acid and metasilicic acid. It is commonly used in the production of glass and ceramics. [[8]]

Please note that the information provided above is based on search results and may not cover all possible forms and compounds of the mentioned elements.