An electric current is passed through water and bubbles start forming. What is a logical conclusion for the bubbles? A) water is evaporating
B) The water had impurities
C) A physical changes occurred
D) Hydrogen and oxygen are being formed

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

What type of matter is made of only one kind of atom

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?