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.
For chemistry students and teachers: The tabular chart on the right is arranged by electronegativity. The first chemical element is Actinium and the last element is Fluorine. The unity used for the electronegativity is Pauling. Please note that the elements do not show their natural relation towards each other as in the Periodic system. There you can find the metals, semi-conductor(s), non-metal(s), inert noble gas(ses), Halogens, Lanthanoides, Actinoids (rare earth elements) and transition metals.