It represents the number of protons in the nucleus of an atom which determines the chemical properties of an element.
Answer:
NH2S4. . ...............................,..
Answer: B
Explanation: since the balloon is getting bigger it would make sense for the volume to increase ( get bigger) when volume increases the pressure decreases
Basically all of the elements found in Group I of the periodic table also have this property. The ability to easily give up a single valence electron.
