Why the valency of germanium is 4?

Why the valency of germanium is 4? The exact valency of Germanium is four as it holds four electrons in its outer shell. Valency is the combining capacity of the Germanium. The combining capacity of Germanium is relevant in order to attain stability. What is valency of gallium? Gallium is in Period 4, Group 13, […]

What animals Cannot see in the dark?

What animals Cannot see in the dark? Obviusly all blind animals (star nosed mole, cave fish etc) can’t see – light or dark. No animal can see in complete total darkness – but some animals can see in very dark environments better than others. In terms of the poor night vision animals – spiders are […]

How did Garrett Morgan influence others?

How did Garrett Morgan influence others? The African American inventor of a life-saving device, mechanical traffic signals, and more had to fight for recognition. Garrett Morgan’s safety hood saved the lives of countless firefighters and others. How did Garrett Morgan’s traffic light work? The signal Morgan patented was a T-shaped pole with three settings. At […]

What other planets have hurricanes?

What other planets have hurricanes? There are no other planets known to have warm water oceans from which true water cloud hurricanes can form. However, many astronomers and planetary meteorologists believe gas giant planets such as Jupiter and Saturn exhibits such storms. Which countries have hurricanes? A few of the many countries that can and […]

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