Aglass break: this a physcal change right?

answer: yes

explanation: a physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. the size or shape of matter may be changed, but no chemical reaction occurs. physical changes are usually reversible. note that whether a process is reversible or not is not truly a criterion for being a physical change.

i have no clue hope you find the answer

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.