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.
Known as a liquid but obviously it can be all three. Mercury is a liquid at room temperature, it will solidify if you make cold enough, -40 C and be gas if you make it hot enoâ¦ugh, +357 C. It expands and contracts easily in this liquid form, which is why old thermometers used it.