Which has the smallest electronegativity? a Calcium b Argon c Hydrogen d Bromine

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?