1.lewis diagram
2.elctrons found in the valance shell
3.neon,because has a full valence shell
4.the center of the atom(nucleus) takes most of the mass while the shell takes the most volume
5.11electrons
6. because the nucleus is the the part of the atom that takes up most of the mass
7.c
8.d
9.a
10.b
Fast-moving cold fronts force the warm air ahead of them to rise more quickly than slow movers. The clouds and rain are mostly along the front or ahead of it, and heavy rain or thunderstorms are common. A slow-moving front lifts the warm air more gradually; the rain is less intense, and the clouds form along and *behind* the surface cold front.
Answer:
The two main types of nucleic acids are DNA and RNA. Both DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell's activities, while RNA converts that code into proteins to carry out cellular functions.