Why can iron form fe3+ and fe2+?

Why can iron form fe3+ and fe2+? It’s essentially about isolated atoms. Fe+2 and Fe+3 are ionization states of iron in molecules or solids. The ultimate reason why both kinds of ions are stable is that 3 electrons are weakly enough held to each Fe atom that they can be pulled away by strong electronegative […]

What is a haughty manner?

What is a haughty manner? Someone who is haughty is arrogant and full of pride. When you’re haughty, you have a big attitude and act like you’re better than other people. A haughty person acts superior and looks down on others. Haughty people are disdainful, overbearing, prideful, swaggering, and obnoxious. What’s haughty eyes? A haughty […]

Can a person have inertia?

Can a person have inertia? Humans in many ways follow the principle of inertia. A body in motion is likely to stay in motion, and a body at rest is likely to stay at rest. One of the biggest obstacles to staying in motion is committing to too much and becoming overwhelmed. Why do we […]

Who Declared War on who first in ww1?

Who Declared War on who first in ww1? On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War. Why did Germany get blamed for ww1? Germany is to […]

Is the mantle liquid?

Is the mantle liquid? The inner core is solid, the outer core is liquid, and the mantle is solid/plastic. This is due to the relative melting points of the different layers (nickel–iron core, silicate crust and mantle) and the increase in temperature and pressure as depth increases. Can we drill into the mantle? Drilling To […]

What causes this disk to form and flatten?

What causes this disk to form and flatten? It is the angular momentum, which results from rotation, that leads to the eventual disk shape. The disk remains in orbit, and it flattens because of angular momentum. Eventually this disk will give rise to planets, asteroids, and planetesimals. What does a nebula look like? Most nebulae […]

How clean is green energy?

How clean is green energy? Clean. Green energy, which includes green electricity, is clean energy. This means it is produced with little-to-no environmental impact and does not dispense greenhouse gases into the air that contribute to global warming, the way fossil fuels do. What are examples of clean energy? The most popular renewable energy sources […]

What is the classification of a cat?

What is the classification of a cat? Mammal What is the scientific name of cats? Felis catus What is scientific name of human? Homo sapiens Who was the first person to have a cat? Most early evidence of cat domestication comes from ancient Egypt. Some experts believe that the Egyptians may have tamed and bred […]

How do I get a full outer shell?

How do I get a full outer shell? Atoms will try to gain or lose electrons in order to get a full valence (outer) shell. This is because an atom with a full valence shell is more stable. Atoms in the same group have similar properties because they have the same number of valence electrons. […]

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