Does oxygen form a positive or negative ion?

Does oxygen form a positive or negative ion? Negative ions are called anions . Oxygen is in group 6. An oxygen atom has six electrons in its outer shell. The atom is more stable if it has a full outer shell….Forming negative ions. Atom name Ion name Sulfur Sulfide Which form of oxygen is the […]

What is the main function of circulatory system?

What is the main function of circulatory system? The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins. What is an example of the circulatory system? The circulatory system is made up […]

What is 5dBi range?

What is 5dBi range? This antenna would typically replace standard 2dBi antennas, which are normally shipped with this class of wireless device, in order to increase the range and/or expand the coverage area. With this 5dBi antenna, theoretically a distance of about 500 meters can be covered. Why gain is measured in dB? In electronics, […]

What are signs of healthy eyes?

What are signs of healthy eyes? What Your Eyes Say About Your Health 1 / 8. Sudden Blurry Vision. An abrupt and dramatic loss of vision may be a sign of a problem with the blood flow to your eye or your brain. 2 / 8. Bulging Eyes. 3 / 8. Blurred Vision. 4 / […]

What are disadvantages of DC?

What are disadvantages of DC? Disadvantages of DC Transmission: Due to commutation problem, electric power can’t be produced at High (DC) Voltage. In High Voltage transmission, we cant step-up the level of DC Voltage (As Transformer won’t work on DC). There is a limitation of DC switches and circuit breakers (and they are costly too). […]

What note is 786 Hz?

What note is 786 Hz? The frequency of the third harmonic of middle C is 3 X 262 Hz = 786 Hz. These harmonic frequencies are the same no matter what instrument produces the middle C. How do you reduce harmonics? There are a number of methods to modify adverse system responses to harmonics: Add […]

Is negative free cash flow a bad sign?

Is negative free cash flow a bad sign? Although companies and investors usually want to see positive cash flow from all of a company’s operations, having negative cash flow from investing activities is not always bad. Can you have negative cash flow and positive profit? Cash flow is the net amount of cash and cash-equivalents […]

Is 30 minutes of circuit training enough?

Is 30 minutes of circuit training enough? Your body can definitely feel the metabolic burn within a humble 30 minutes of circuit training. According to Harvard Medical School, you can burn 240 calories in a half-hour of general circuit training if you weigh 125 pounds; 298 calories if you weigh 155 pounds; and 355 calories […]

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