Which of the following is a way to practice safe science

Safety is key, like wearing the correct attire. goggles l, gloves, lab coat, closed toe shoes , and pants. make sure to know what chemicals you are using by checking your msds and reading over your procedure before mixing chemicals. make sure glass ware and tools are all clean properly.

You need first proper attire like work gloves goggles and a lab coat/apron with boots and something large to pick up dangerous stuff with then to get prepared to begin you get your testing tubes flasks,calculator and that's pretty much all i can tell you

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

Polygon is ur