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.
The three main atomic particles are protons, neutrons and electrons. The atomic number of an atom identifies the number of protons in the atom. This is the defining characteristic of an element. An atom can gain or lose neutrons or electrons while retaining its elemental identity. If the number of protons in an atom changes, however, the atom becomes a different element.