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What are 2 examples of scientific model?
1. The solar system model of the atom This model has the nucleus at the centre of the atom like the sun is in the solar system, and the electrons orbiting the nucleus like planets. This is useful for visualising electron energy levels, but it isn't what the atom actually looks like. 2. The computer model of human brain function This model compares the working of the human brain to a computer, where RAM is short term memory and the hard drives are long term memory. It also covers the senses, as they are like input into a computer. Information from the senses are also processed, like how a computer program will interpret data, and responses are like the computer's output. This is a very simplified description of the brain's function, but it works on some levels. 3. A diagram This model is like a map but actually is not. For example you could choose one on chimpanzees. You would draw where the chimpanzee goes, or how far they travel.
Why is it essential to use balance equations in solving stoichiometric problems?
It is essential to use balanced equations when solving stoichiometric problems because each kind of atom has to be the same on both sides of the equation. The chemical reactions that take place are molar ratios.
Which word most closely means irreducible?
atom APEX Is Hard
What is the energy level of an atom?
Depends upon the atom and element, some have an energy level of 0 and it can be +/- for others depending on the number of protons or electrons in said atom.
What is the electronic geometry of CH4?
The electronic geometry about the carbon atom is: tetrahedral The orbital hybridization about the carbon atom is: sp^3 The molecular geometry about the carbon atom is: tetrahedral
