The substance formed when covalent bonds unite atoms is called _.

1. How many moles of O, are needed to burn 58.7g of propane (C2H3) according to the equation: C3H3 + 50, → 3 CO, + 4H2O

If 65.0 g of nitrogen dioxide is reacted with excess water, calculate the theoretical yield

What causes the plates of the lithosphere to move? A) High speed winds in the layers of the atmosphere B) Volcanic activity on the ocean floor C) Convection currents under the surface

How many electrons can be contained in all orbitals related to an argons atoms third energy level.

Condensation refers to the process when A gas turns to a liquid A liquid turns to a gas A liquid turns to a solid A solid turns to a liquid

What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?

In Experiment 1, the density of pure ethanol was found to be:Question 1 options:less than 0.793 g/mL. 0.793 g/mL. 0.999 g/mL. greater than 0.999 g/mL.

Calculate the pH of a solution that has a hydronium ion concentration of 0.0084 M

Consider the reaction pathway graph below which indicates the energy that must be absorbed to initiate the reaction

Which statement best explains why a metal atom and a nonmetal atom are most likely to form an ionic bond? A.