An atom represented by X has
A. 20 protons and 26 neutrons.
B. 20 neutrons and 26 protons.
C. 20 protons and 46 neutrons.
D. 20 neutrons and 46 protons.
Answer:A
An atom represented by X has
A. 20 protons and 26 neutrons. B. 20 neutrons and 26 protons. C. 20 protons and 46 neutrons. D. 20 neutrons and 46 protons.