What is the oxidation state of thallium in Tl2S? Provide your answer below:

+3 and +1

Explanation:

Thallium has the chemical symbol Tl and atomic number 81. It has the electron configuration [Xe] 6s²6p¹ and has +3 or +1 oxidation state.

Therefore, it is found more commonly in its +1 oxidation state.

- decrease the number of plants and animals living in the water.

a: 45.9 meters

b: 4.29 seconds

step-by-step explanation:

a: h(t)=1/2(-9.8)(3)^2+0(3)+90

h(t)=-4.9(3)^2+90

h(t)=-44.1+90

h(t)=45.9 meters

b: 0=1/2(-9.8)(t^2)+0t+90

0=-4.9t^2+90

-90=-4.9t^2

18.37=t^2

t=4.29 seconds

in the second question, the numbers aren't exact, but they're a close approximation.