I need the answer for both 2 and 3. thank you!! ASAP

What phase of matter has particles that are held together but can flow past each other and takes the shape of a container, filling it from the bottom up?

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules