J.J Thompson’s model shows a sphere with electrons that are moving around freely. However, Thompson’s model does not show protons or neutrons. The model that we have today gives a clearer structure showing protons, neutrons, and electrons inside an atom.
The number of energy levels increases as you move down a group as the number of electrons increases. Each subsequent energy level is further from the nucleus than the last.
Answer:
an increasng atomic number/ increasing proton count
Explanation:
Answer:
38
Explanation:
19
it is impossible that there is only sperm .egg must be present from female
38
19 from male and 19 from female
it is correct
76
dog has 76 chromosomes
if cat has it will be abnormal due to unequal chromosome
152
also not possible
Answer: emission spectrum
Explanation:
