Answer:
arsenic
Explanation:helium is a gas and aluminum is a etal and carbon is not a maetalloid
The location of an electron can't be determined exactly, because of it's high speed, by the time we define it in a position, it changes it position. The location is determined by probability, and also uncertainty theory
Water is a Polar Covalent Molecule
The unequal sharing of electrons between the atoms and the unsymmetrical shape of the molecule means that a water molecule has two poles - a positive charge on the hydrogen pole (side) and a negative charge on the oxygen pole (side).
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