How many shells does a atom have
2
What do we need to wear when performing any experiment
eye wear, closed toes shoes, hair tied back.
What is an open system
A open system is not closed and has room for the air to fill in
what is a closed system
Not open and has not much or no space to fit any air or any molecules inn it
what are they used for
a closed system is used for a precise measurement (ex. We need to measure the pumpkin and the sirt without any air inside so we can get the exact measurments
Is the shell of a atom limited to hold a certain amount of molecules
Only the first ring is limited to two molecules
What is the main thing you should think of when it comes to doing labs
Lab safety, wear the apropriate gear and never for
Why is lab safety important
Lab safety is important because if you were ever to get something on your body it would not directly touch your body