Cobalt because it has an atomic mass of 58 and 33 neutrons.
Given the options it would be B.
Planets orbit the sun in a elliptical pattern around the sun, rather than in a circle.
Hope this helps!
6.9 x 10 to the power of 3 if I am not mistaken.
K (s) + ZnCl (aq) ====》 KCl ( aq) + Zn (s)
Answer:
Summary. J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons.
Explanation:
Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged "soup."
