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.
Helium is an element with the atomic number two. It has two protons in its nucleus (which is why its atomic number is two), and it comes in two stable isotopes. The most abund â¦ ant one, helium-4, has two neutrons, and helium-3, which has one neutron, is found as only about one atom in a million. The element helium is an inert or noble gas, and is found on the periodic table with the other inert gases in Group 18. They're the elements down the far right column of the table.