Answer:
The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
Explanation: Cause I'm smart like that!
Explanation:
1. liquid
2.celsius
3.true
4.evaporation since molecule releasing energy
5. this graph only shows exothermic phase change
Oxygen is the element with electronic configuration of 16
