Why is Group 15 called nitrogen?

Why is Group 15 called nitrogen? The Group 15 elements are generally known as the nitrogen family. All of the elements of this family have five electrons in their outermost energy level. This group is divided into nonmetals, semimetals, and metals by characteristic. Nitrogen is a diatomic gas and phosphorus is a solid. Why is […]

What are some examples of physical and chemical properties?

What are some examples of physical and chemical properties? Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change. What are the physical properties of materials? A material’s physical properties denote the physical state of materials that are exclusive […]

Which one is more stable O or O 2?

Which one is more stable O or O 2? 1 Answer. O2+ is more stable than O2-. Because According to molecular orbital theory O2+ has 15 electrons &it has one electron in antibonding orbital. In the case of O2- 17 electrons are present &3 electrons are present in antibonding orbitals. Why O2 ion is more […]

Which US president served 3 terms?

Which US president served 3 terms? Roosevelt won a third term by defeating Republican nominee Wendell Willkie in the 1940 United States presidential election. He remains the only president to serve for more than two terms. What was the name of Franklin Roosevelt’s foreign policy? The main foreign policy initiative of Roosevelt’s first term was […]

What are 5 facts about the sun?

What are 5 facts about the sun? Facts about the Sun The Sun accounts for 99.86% of the mass in the solar system. Over one million Earth’s could fit inside the Sun. One day the Sun will consume the Earth. The energy created by the Sun’s core is nuclear fusion. The Sun is almost a […]

What is the osmotic pressure of blood?

What is the osmotic pressure of blood? Types of fluids Oncotic pressure values are approximately 290 mOsm per kg of water, which slightly differs from the osmotic pressure of the blood that has values approximating 300 mOsm /L. Which of the following blood pressure readings would be indicative of hypertension? Blood pressure categories Normal: A […]

How can we increase calcium in our body?

How can we increase calcium in our body? Good sources of calcium include: milk, cheese and other dairy foods. green leafy vegetables, such as broccoli, cabbage and okra, but not spinach. soya beans. tofu. soya drinks with added calcium. nuts. bread and anything made with fortified flour. fish where you eat the bones, such as […]

What is Bigorexia disorder?

What is Bigorexia disorder? Bigorexia is defined by the Diagnostic and Statistical Manual (DSM-5) as a body dysmorphic disorder that triggers a preoccupation with the idea that your body is too small or not muscular enough. Is Arfid a mental illness? ARFID is a new addition to DSM-5, the official list of psychiatric diagnoses. It […]

When was the 25th Amendment used?

When was the 25th Amendment used? Congress approved the 25th Amendment on July 6, 1965. The states completed ratification by February 10, 1967, and President Lyndon Johnson certified the amendment on February 23, 1967. The first use of the 25th Amendment occurred in 1973 when President Richard Nixon nominated Congressman Gerald R. Is designated survivor […]

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