Question

Определите вид химической связи и состав вещества (сложное или простое ) BaCl2 , CH4 , Cl2 ,C2H2 , MgO , Br2 , K2O , Mn

Answer 1

BaCl2 (сложное вещество)\ионная связь
CH4  (сложное вещество)\ ковалентно-полярная связь
Cl2  (простое вещество)\ ковалентно-неполярная связь
C2H2 (сложное вещество)\ ковалентно-полярная связь
MgO (сложное вещество)\ ионная связь
Br2 (простое вещество)\ ковалентно-неполярная связь
K2O (сложное вещество)\ ионная связь
Mn (простое вещество)\металлическая связь

Answer 2

BaCl2

- BaCl2 is the chemical formula for barium chloride. - Barium chloride is an ionic compound, which means it has an ionic bond. - The compound consists of one barium ion (Ba2+) and two chloride ions (Cl-). - The barium ion has a +2 charge, while the chloride ions each have a -1 charge. - The ionic bond is formed between the positively charged barium ion and the negatively charged chloride ions.

CH4

- CH4 is the chemical formula for methane. - Methane is a simple covalent compound, which means it has a covalent bond. - The compound consists of one carbon atom (C) and four hydrogen atoms (H). - The carbon atom forms four covalent bonds with the four hydrogen atoms, resulting in a tetrahedral shape.

Cl2

- Cl2 is the chemical formula for chlorine gas. - Chlorine gas is a diatomic molecule, which means it consists of two chlorine atoms bonded together. - The bond between the two chlorine atoms is a covalent bond. - The two chlorine atoms share a pair of electrons, forming a single covalent bond.

C2H2

- C2H2 is the chemical formula for acetylene. - Acetylene is a simple covalent compound, which means it has a covalent bond. - The compound consists of two carbon atoms (C) and two hydrogen atoms (H). - The carbon atoms form a triple covalent bond with each other, and each carbon atom also forms a single covalent bond with a hydrogen atom.

MgO

- MgO is the chemical formula for magnesium oxide. - Magnesium oxide is an ionic compound, which means it has an ionic bond. - The compound consists of one magnesium ion (Mg2+) and one oxygen ion (O2-). - The magnesium ion has a +2 charge, while the oxygen ion has a -2 charge. - The ionic bond is formed between the positively charged magnesium ion and the negatively charged oxygen ion.

Br2

- Br2 is the chemical formula for bromine gas. - Bromine gas is a diatomic molecule, which means it consists of two bromine atoms bonded together. - The bond between the two bromine atoms is a covalent bond. - The two bromine atoms share a pair of electrons, forming a single covalent bond.

K2O

- K2O is the chemical formula for potassium oxide. - Potassium oxide is an ionic compound, which means it has an ionic bond. - The compound consists of two potassium ions (K+) and one oxygen ion (O2-). - The potassium ions have a +1 charge, while the oxygen ion has a -2 charge. - The ionic bond is formed between the positively charged potassium ions and the negatively charged oxygen ion.

Mn

- Mn is the chemical symbol for manganese. - Manganese can exist in different oxidation states and can form various compounds. - The element itself does not have a specific type of chemical bond or composition mentioned in the question. - It can form both ionic and covalent compounds depending on the specific compound and oxidation state of manganese.