(Q).
Q: An increase in what, across the periodic table, explains why elements go from metals to metalloids and then to nonmetals? Choices: - neutrons - temperature - protons - electrons A:
(A).
electrons

(Q).
Q: What type of electrons does carbon have? Choices: - shell - ionic - gradient - valence A:
(A).
valence

(Q).
Q: Which hormone is secreted by the pancreas in a human body? Choices: - growth hormone - progesterone - estrogen - insulin A:
(A).
insulin