What is the radius of 1st orbit of Li2+?

What is the radius of 1st orbit of Li2+? Complete answer: He+, Li2+ and Be3+contain one electron like hydrogen, so they are called H-like particles. Radius of the first orbit of the hydrogen atom is called Bohr’s radius, i.e. ao=52.9pm. What is the value of radius of Bohr’s orbit? The CODATA value of the Bohr […]

How do you identify a raw precious stone?

How do you identify a raw precious stone? To identify a rough gemstone, review its mineral qualities, inspect its streak and examine its luster. Each gemstone has its own particular set of qualities you can catalog to help you with identification. Check with your state’s department of mines and minerals to locate regions suitable for […]

What are the 5 Rules of minerals?

What are the 5 Rules of minerals? Properties that help geologists identify a mineral in a rock are: color, hardness, luster, crystal forms, density, and cleavage. Crystal form, cleavage, and hardness are determined primarily by the crystal structure at the atomic level. Color and density are determined primarily by the chemical composition. What are the […]

What is lightning conductor its working class 8?

What is lightning conductor its working class 8? Lightning conductor is a metal rod placed on a building and connected with the ground below to protect the building from being damaged by lightning. Its purpose is to offer a low resistance path to lightening and allow it to pass to the ground without impacting the […]

Why does my bowling ball feel so heavy?

Why does my bowling ball feel so heavy? The reason for this is because you have to squeeze to hold on to a house ball. The lighter weight helps you hold on. When the ball is fit to you, you don’t have to exert nearly as much muscle to keep from dropping it. It isn’t […]

What is the best treatment for atherosclerosis?

What is the best treatment for atherosclerosis? Lifestyle changes, such as eating a healthy diet and exercising, are the first treatment for atherosclerosis — and may be all that you need to treat your atherosclerosis….Surgery or other procedures Angioplasty and stent placement. Endarterectomy. Fibrinolytic therapy. Coronary artery bypass surgery. Can blocked arteries cause rapid heart […]

How do roller coasters go fast?

How do roller coasters go fast? The kinetic energy that makes a rollercoaster car move at speed comes from the potential energy the car gained when it was hauled to the top of the very first hill on the ride. The further they go down the hill, the faster they go, and the more of […]

What are environmental factors in mental health?

What are environmental factors in mental health? In addition, people are also exposed to numerous environments. These environmental exposures (e.g., green space, noise, air pollution, weather conditions, housing conditions) might trigger mental disorders or be protective factors, facilitating stress reduction, mental recovery, etc. Can environmental factors cause mental illness? Exposure to environmental stressors, inflammatory conditions, […]

What is genetic variation in biology quizlet?

What is genetic variation in biology quizlet? Genetic variation is the diversity present in the DNA of a population. Explain how genetic variation occurs within and between populations of a species. Genetic variation within a population occurs via mutation and sexual reproduction, and can be measured using average heterozygosity. Where does genetic variation come from […]

Do LEDS have resistance?

Do LEDS have resistance? An LED (Light Emitting Diode) emits light when an electric current passes through it. The simplest circuit to power an LED is a voltage source with a resistor and an LED in series. Such a resistor is often called a ballast resistor. If the voltage source is equal to the voltage […]

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