Vitamin B12 deficiency can cause weakened bones and may lead to hip fractures. Severe vitamin B12 deficiency can cause neurological problems, such as confusion, dementia, depression, and memory loss. Other symptoms of vitamin B12 deficiency involve the digestive tract.
â¦The answer is Bromine because the question clearly states, at room temperature this halogen is a liquid, and on any periodic table, bromine is a different colour to the other elements showing that it is a liquid or it melts close to room temperature.
Mercury is puzzling in several ways. It's a liquid at room temperature and pressure, but all of its neighbors on the periodic table are solids. Mercury is much less reactive than cadmium or zinc.ercury is puzzling in several ways. It's a liquid at room temperature and pressure, but all of its neighbors on the periodic table are solids. Mercury is much less reactive than cadmium or zinc.