A scientist uses an accelerator and high energy electrons to study the particles inside the protons of a helium atom. What particles is the scientist studying?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?

What do many bases have in common? apex chemistry sem 2