The correct Answer is:C To determine which statement about noble gases is not true, we will analyze each statement one by one. Step 1: Analyze Statement 1Statement 1: Their ionization energies are very high. - Noble gases have a stable electronic configuration (ns² and np⁶), which me...
To solve the question about which gas is used to improve the atmosphere in crowded places, we can follow these steps:Step 1: Understand the Context In crowded places, there is a higher population density, which leads to an incr
Electronegativity: The electronegativity of an atom of an element is a measure of the force with which the atom pulls on the shared electrons in a covalent bond. The index is important to investigate the type of bond that exists between atoms of two elements: ...
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About nine-tenths of it is absorbed by the atmosphere of the earth. In fact; the earth itself gets only one half-billionth of the sun' s entire output of radiant energy. All the useful energy at the surface of the earth comes ___. A.directly from the sun B.from the sun' s activi...