Beryllium has an atomic number of 4, so a beryllium atom has 4 protons in its nucleus.
Since the charge of 1 proton is +1 and neutrons in the nucleus have 0 charge, the correct answer is (4) +4.
Hope this helps~
Answer:
the answer is 1.71 g/mL
Explanation:
84.7/49.6=1.71
hope this will help you ❤️
Spiders do not eat, they drink blood from insects using two small (well, depending on the size of spider) fangs that they puncture the prey with. Hope i helped! :)