Question

Укажите вещества молекулярного строения A) sio2,hcl, h2o,co B) p4,s8,h2o,nacl C) c, sio2, co2, ch4 D) h2o, nh3,so2, co2 E) al, o2, n2, cl2

Answer 1

E, они все состоят из атомов 1 типа

Answer 2

A) SiO2, HCl, H2O, CO

The molecular structures of the substances in option A are as follows:

- SiO2: Silicon dioxide (also known as silica) is a compound composed of silicon and oxygen atoms. It has a molecular structure consisting of one silicon atom bonded to two oxygen atoms, forming a tetrahedral structure.

- HCl: Hydrochloric acid is a strong acid composed of hydrogen and chlorine atoms. It has a molecular structure consisting of one hydrogen atom bonded to one chlorine atom.

- H2O: Water is a compound composed of hydrogen and oxygen atoms. It has a molecular structure consisting of two hydrogen atoms bonded to one oxygen atom, forming a bent or V-shaped structure.

- CO: Carbon monoxide is a compound composed of carbon and oxygen atoms. It has a molecular structure consisting of one carbon atom bonded to one oxygen atom, forming a linear structure.

B) P4, S8, H2O, NaCl

The molecular structures of the substances in option B are as follows:

- P4: Phosphorus is an element that can exist as a molecule composed of four phosphorus atoms. It has a molecular structure consisting of a tetrahedral arrangement of four phosphorus atoms.

- S8: Sulfur is an element that can exist as a molecule composed of eight sulfur atoms. It has a molecular structure consisting of a ring-shaped structure with eight sulfur atoms.

- H2O: Water is a compound composed of hydrogen and oxygen atoms. It has a molecular structure consisting of two hydrogen atoms bonded to one oxygen atom, forming a bent or V-shaped structure.

- NaCl: Sodium chloride (commonly known as table salt) is a compound composed of sodium and chlorine atoms. It has a molecular structure consisting of one sodium atom bonded to one chlorine atom.

C) C, SiO2, CO2, CH4

The molecular structures of the substances in option C are as follows:

- C: Carbon is an element that can exist as individual atoms or form various molecular structures, such as diamond, graphite, or fullerenes.

- SiO2: Silicon dioxide (also known as silica) is a compound composed of silicon and oxygen atoms. It has a molecular structure consisting of one silicon atom bonded to two oxygen atoms, forming a tetrahedral structure.

- CO2: Carbon dioxide is a compound composed of carbon and oxygen atoms. It has a molecular structure consisting of one carbon atom bonded to two oxygen atoms, forming a linear structure.

- CH4: Methane is a compound composed of one carbon atom bonded to four hydrogen atoms. It has a molecular structure consisting of a tetrahedral arrangement of the carbon and hydrogen atoms.

D) H2O, NH3, SO2, CO2

The molecular structures of the substances in option D are as follows:

- H2O: Water is a compound composed of hydrogen and oxygen atoms. It has a molecular structure consisting of two hydrogen atoms bonded to one oxygen atom, forming a bent or V-shaped structure.

- NH3: Ammonia is a compound composed of one nitrogen atom bonded to three hydrogen atoms. It has a molecular structure consisting of a trigonal pyramidal arrangement of the nitrogen and hydrogen atoms.

- SO2: Sulfur dioxide is a compound composed of sulfur and oxygen atoms. It has a molecular structure consisting of one sulfur atom bonded to two oxygen atoms, forming a bent or V-shaped structure.

- CO2: Carbon dioxide is a compound composed of carbon and oxygen atoms. It has a molecular structure consisting of one carbon atom bonded to two oxygen atoms, forming a linear structure.

E) Al, O2, N2, Cl2

The molecular structures of the substances in option E are as follows:

- Al: Aluminum is an element that exists as individual atoms. It has a metallic crystal structure.

- O2: Oxygen is an element that can exist as a molecule composed of two oxygen atoms. It has a molecular structure consisting of a double bond between the two oxygen atoms.

- N2: Nitrogen is an element that can exist as a molecule composed of two nitrogen atoms. It has a molecular structure consisting of a triple bond between the two nitrogen atoms.

- Cl2: Chlorine is an element that can exist as a molecule composed of two chlorine atoms. It has a molecular structure consisting of a single bond between the two chlorine atoms.