Answer:
A student's name paired with the sport that they play.
Explanation:
33 - 15 = 18
This element is P-33
Answer:
Several of the nonmetals are gases in their elemental form. Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F, element 9), and chlorine (Cl, element 17) are all gases at room temperature, and are found as diatomic molecules (H2, N2, O2, F2, Cl2).
Explanation:
Answer:
B, increases rate of collisions
Explanation:
4 elements are classified in group 4 like titanium, zirconium, hafnium and ruthorfordium