Question

Составьте формулы образования связей в молекулах : NaF, Cao, K2S, AlN​

Answer 1

Ответ:

1) NH3- ковалентно-полярная связь. валентность: N = III, H = I

H2 - - ковалентно-ytполярная связь. валентность: H = I

2)Из перечня выпишите формулы веществ с ковалентной неполярной связью:Н2О,Н2S,HCI.

схемы в приложении

3) в OF2, наиболее электроотрицательным будет являться фтор ( F) к нему и смещается эл. плотность. в молекуле воды, эл. плотность будет сдвигаться в атому кислорода.

Answer 2

Formulas for the Formation of Molecules:

Here are the formulas for the formation of molecules:

1. Sodium Fluoride (NaF): NaF - Sodium (Na) is a metal with a charge of +1, and Fluorine (F) is a non-metal with a charge of -1. They combine to form an ionic compound with a one-to-one ratio of Na to F.

2. Calcium Oxide (CaO): CaO - Calcium (Ca) is a metal with a charge of +2, and Oxygen (O) is a non-metal with a charge of -2. They combine to form an ionic compound with a one-to-one ratio of Ca to O.

3. Potassium Sulfide (K2S): K2S - Potassium (K) is a metal with a charge of +1, and Sulfur (S) is a non-metal with a charge of -2. They combine to form an ionic compound with a two-to-one ratio of K to S.

4. Aluminum Nitride (AlN): AlN - Aluminum (Al) is a metal with a charge of +3, and Nitrogen (N) is a non-metal with a charge of -3. They combine to form an ionic compound with a one-to-one ratio of Al to N.

Please note that these formulas represent the simplest ratio of atoms in each molecule. The actual arrangement of atoms in a molecule may vary depending on the molecular structure and bonding.

I hope this helps! Let me know if you have any further questions.

Answer 3

Formulas for Molecular Compounds:

Here are the formulas for the formation of bonds in the molecules you mentioned:

1. Sodium Fluoride (NaF): NaF is formed by the combination of one sodium atom (Na) and one fluorine atom (F). 2. Calcium Oxide (CaO): CaO is formed by the combination of one calcium atom (Ca) and one oxygen atom (O). 3. Potassium Sulfide (K2S): K2S is formed by the combination of two potassium atoms (K) and one sulfur atom (S). 4. Aluminum Nitride (AlN): AlN is formed by the combination of one aluminum atom (Al) and one nitrogen atom (N).

Please note that the formulas provided are based on the information available from the search results.