An electron is found whizzing around the nucleus, so in subatomic particles.
Answer:
Extinction
Explanation:
When a species becomes extinct, every last specimen has died out
Answer: (B)
Explanation: Decreases the number of bases in the sequence.
B) with single bonds..... Hope it helps, Have a nice day :)
Answer:
C.) 35
Explanation:
The mass is made up of the total protons and neutrons in an atom. Protons and neutrons both have a mass of 1 amu. Electrons are not included in this measurement because they have an insignificant mass (practically 0).
(17 protons x 1 amu) + (18 neutrons x 1 amu) = 35 amu
Therefore, if an atom contains 17 protons and 18 neutrons, the mass should be 35 amu.
