What is the maximum number of covalent bonds that an oxygen atom with atomic number 8?

Identify the equations that show ionization. Check all that apply

The scale is best used to measure the strength of small, nearby earthquakes. The magnitude scale is useful for measuring the strength of earthquakes of all sizes and at all distances from a seismograph.

he first solution contains 25 % acid, the second contains 35 % acid, and the third contains 55 % acid. She created 100 liters of a 45 % acid mixture, using all three solutions.

Which two elements are the most abundant in the Earth's crust?

Describe the appearance of the material. Include its color and state (solid or liquid). Pour ¼ cup of water into a small, clear container. Measure ¼ teaspoon of the material, and carefully pour it into the container.

For the separation of the unknown mixture, you are instructed to isolate the amine followed by the acid and finally the neutral. Does the order matter? If not, what other orders could be followed?

As ice melts and changes from solid to liquid, A) entropy increases. B) kinetic energy decreases. C) an exothermic reaction occurs. D) the random movement of molecules remains constant.

What volume of 0.480 m koh is needed to react completely with 15.8 ml of 0.150 m h2so4? assume the reaction goes to completion?

Which sample of water contains particles having the highest average kinetic energy?

Use the terms magnetic field and magnetic pole in a sentence