Question

Складіть графічну електронну формулу елемента з порядковим номе- ром 15. Складіть формули його вищого оксиду та гідратів цього окси- ду. Зазначте хімічний характер оксиду та гідратів.​

Answer 1

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Answer 2

Element with Atomic Number 15

The element with atomic number 15 is phosphorus (P). Its electronic configuration can be represented by the following graphical electronic formula:

1s^2 2s^2 2p^6 3s^2 3p^3

Higher Oxide of Phosphorus

The higher oxide of phosphorus is phosphorus pentoxide (P2O5). Its chemical formula can be represented as:

P2O5

Phosphorus pentoxide is a covalent compound that consists of two phosphorus atoms and five oxygen atoms. It is a white, crystalline solid that is highly hygroscopic, meaning it readily absorbs moisture from the atmosphere. When phosphorus pentoxide reacts with water, it forms phosphoric acid (H3PO4).

Hydrates of Phosphorus Oxide

Phosphorus pentoxide can also form hydrates by reacting with water. One example is phosphorus pentoxide trihydrate (P2O5 · 3H2O). Its chemical formula can be represented as:

P2O5 · 3H2O

Phosphorus pentoxide trihydrate is a solid compound that contains two phosphorus atoms, five oxygen atoms, and three water molecules. It is also highly hygroscopic and readily absorbs moisture from the atmosphere.

Chemical Character of Phosphorus Oxide and Hydrates

Phosphorus pentoxide (P2O5) is an acidic oxide. When it reacts with water, it forms phosphoric acid, which is a strong acid. The hydrates of phosphorus oxide, such as phosphorus pentoxide trihydrate (P2O5 · 3H2O), also exhibit acidic properties when dissolved in water.

Overall, phosphorus oxide and its hydrates are characterized by their ability to react with water and exhibit acidic properties.