Answer:
The properties of elements will repeat periodically when the elements are arranged by their atomic number.
Explanation:
Answer:
Answers are in parentheses.
In the Bohr model of the atom, the electrons move in fixed, (circular) paths around a dense positively-charged nucleus. On the other hand, the quantum mechanical model shows the probability of finding an electron as a (cloud) of negative charge.
Answer:
False
Explanation:
Some animals are cold blooded