Asubstance undergoes a change. which of the following indicates that the change
was a chemical change?

If you want to create an electrical current, which situation would produce a solution capable of this

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear