You will feel way better because in our class we learned that lukewarm baths are good for fevers and warm washcloths :)
Answer:
Pb₂O₄
Explanation:
The given species are:
Pb⁴⁺ O²⁻
Now, to solve this problem, we use the combining powers which corresponds to the number of electrons usually lost or gained or shared by atoms during the course of a chemical combination.
Pb⁴⁺ O²⁻
Combining power 4 2
Exchange of valencies 2 4
Now the molecular formula is Pb₂O₄
Iron, Ruthenium, Osmium, and Hassium.
They're transition metals
I think it will be D or B but my mine answer is D
speed equals wavelength times frequency so
.7 x 500 = 350
