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.
3B 4B 5B 6B 7B 8B 11B 12B. 3A 4A 5A 6A 7A. element names in blue are liquids at room temperature. element names in red are gases at room temperature. element names in black are solids at room temperature. Periodic Table of the Elements.