How to assign oxidation and reduction numbers

Why are 0 out of 3 of my questions being answered; -;

What type of bond allows sugars to polymerize?

What is the relationship between mass, distance and gravity?

In this experiment, the metal cations in the solutions were initially in the ground state. When placed in the flame, the metals then (absorbed, emitted) energy as (electricity, heat, EM radiation).

What rays of the earth release after turning the rays from the sun into heat energy

Name 5 types of alloys

What is the 3 types of matters

A sunflower turns its head toward sunlight. What triggers this behavior in a sunflower? gravity phototropism presence of nutrients presence of water

Enter your answer in the provided box. A sample of an unknown gas effuses in 14.5 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.42 min. What is the molar mass of the unknown gas

What volume will 0.710 moles of nitrogen gas occupy at STP?