Marijuana use during pregnancy is linked to increased risk of both brain and behavioral problems in babies. If a pregnant woman uses marijuana, the drug may affect certain developing parts of the fetusâs brain. Resulting challenges for the child may include problems with attention, memory, and problem-solving.
Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time. The third element on the Periodic Table of the Elements is Lithium (Li), which has an atomic number of 3. The third element on the Periodic Table of the Elements is Lithium (Li), which has an atomic number of 3.
Tritium is an unstable gas, with a half-life of 12.3. years, meaning that a quantity of pure tritium will, after that time, be. composed half of tritium and half of 3He. Called heliumthree, 3He is a form of. that second-lightest of elements whose nucleus lacks an extra neutron, and.