Kristy is on the track team. She runs the one kilometer race by going four times around the circular track. How does Kristy velocity change. A. Her velocity changes countinually since her direction constantly changes
B. Her velocity depends on only on how she paces herself during the race
C. Her velocity is the same as her speed
D. Her speed changes at the same rate as velocity

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

can you attach the

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.