Question

чем отличается сера и кислород.

Answer 1

1) Порядковый номер

2) относительная атомная масса

3) состав, вид, свойства.

4) квантовое число

5) количество энергетических уровней

6) электроотрицательностью

7) радиус атома

Answer 2

1)Составом

2)Видом

3)Свойствами

4)Химической формулой

Answer 3

Difference between Sulfur and Oxygen

Sulfur and oxygen are both chemical elements that have distinct properties and roles in various processes. Here are some key differences between sulfur and oxygen:

1. Chemical Symbol and Atomic Number: - Sulfur: S, atomic number 16. - Oxygen: O, atomic number 8.

2. Physical Properties: - Sulfur: Sulfur is a yellow, brittle solid at room temperature. It has a melting point of 115.21 degrees Celsius and a boiling point of 444.6 degrees Celsius. - Oxygen: Oxygen is a colorless, odorless gas at room temperature. It has a melting point of -218.79 degrees Celsius and a boiling point of -182.96 degrees Celsius.

3. Occurrence and Abundance: - Sulfur: Sulfur is found in various forms in nature, including minerals such as pyrite and gypsum. It is also present in fossil fuels and volcanic gases. Sulfur is the tenth most abundant element in the universe and the fifth most abundant element in the Earth's crust. - Oxygen: Oxygen is the third most abundant element in the universe and the most abundant element in the Earth's crust. It is found in the atmosphere, water, minerals, and living organisms. Oxygen makes up about 21% of the Earth's atmosphere by volume.

4. Chemical Reactivity: - Sulfur: Sulfur is a reactive element that readily forms compounds with other elements. It can undergo various chemical reactions, such as oxidation and reduction reactions. Sulfur compounds are used in various industrial processes, including the production of sulfuric acid and fertilizers. - Oxygen: Oxygen is a highly reactive element that readily combines with other elements to form oxides. It is essential for combustion and supports the respiration of living organisms. Oxygen is involved in many chemical reactions and is a key component of the Earth's atmosphere.

5. Biological Importance: - Sulfur: Sulfur is an essential element for all living organisms. It is a component of certain amino acids, vitamins, and coenzymes. Sulfur is involved in various biological processes, including protein synthesis and the formation of disulfide bonds in proteins. - Oxygen: Oxygen is vital for aerobic respiration, the process by which living organisms convert food into energy. It is used by cells to produce ATP (adenosine triphosphate), the energy currency of the cell. Oxygen is also involved in the oxidation of nutrients during metabolism.

In summary, sulfur and oxygen are distinct elements with different physical and chemical properties. Sulfur is a yellow solid, while oxygen is a colorless gas. Sulfur is abundant in the Earth's crust and is involved in various chemical and biological processes. Oxygen is the most abundant element in the Earth's crust and is essential for respiration and combustion