A sample of gas with an initial volume of 29.0 L at a pressure of 725 mmHg and a temperature of 306 K is compressed to a volume of 14.8 L and warmed to a temperature of 377 K

The chemical bubbles

Ibelieve y y even though i've only taken chemistry for one year

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.

3-isopentane; 3-methylbutane, and 1,2-methylpropane do not meet iupac rules, so they are wrong names.the only valid name onthe list is 2-methylbutane, which is the same isopentane.this is its formula:                   ch2                    |ch3 - ch - ch2 - ch3answer: 2-methylbutane