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Why

Why Is O2 A Double Bond

Like hydrogen, oxygen exists in its elemental state as a diatomic molecule. Each oxygen has 6 electrons and so need to share to more and so makes two bonds with the other oxygen. This is called a double bond. Oxygen needs two electrons to fill its valence shell (the octet… 

Why Is Opg X Ray Done

OPGs (Orthopantograms) are a type of dental x-ray that produces a wide panoramic scanning dental x-ray of your upper and lower teeth. OPGs are used regularly in routine checkups to monitor and assess the health of your teeth and gums. The x-ray OPG is a two-dimensional dental x-ray and a… 

Why Is My Wood Floor Swelling

Wood is hygroscopic, meaning it attracts and holds water, and when it does, it swells to make room for the extra fluid. Common moisture defects in solid hardwood flooring reflect the fact that this absorption usually isn’t uniform. When relative humidity (RH) rises, wood absorbs moisture from the air. When… 

Why Is Nacl Stable

Sodium chloride is a solid food additive that is more stable than either of its constituent parts, all because the outermost energy levels of its atoms are filled with electrons. NaCl structure is more stable than the CsCl structure because of the following reasons: 1)The electronegativity increases from left to… 

Why Is Nail Pain So Bad

Common causes of nail problems include injury, infection and skin diseases such as eczema and psoriasis. Some conditions need professional treatment from a doctor or a dermatologist. People with diabetes or compromised immune systems have a higher risk of fungal nail infections. Toenail problems tend to be more common among…