6 Which of the following factors contributes to the increase in atomic size within a group in the periodic table as the atomic number increases?
more shielding of the electrons by the highest occupied energy level
an increase in number of protons
fewer electrons in the highest occupied energy level
an increase in size of the nucleus

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure