A scientist is using robots to perform thousands of experiments on different chemical compounds to see how they affect cancer cells. What is this
process called?
A. Engineering process
B. An intravenous solution
C. Evaluating test results
D. Screening

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.

the objects have the same charge.