An ion from a given element has 22 protons and 18 electrons. what is the charge on the ion?

What is evidenced based laboratory medicine in chemistry and evidence-based?

What are the charges on the three subatomic particles that make up an atom? Explain with short answer.

What is the electron arrangement for gallium

Which of the following statements is true? A. To be classified as living, an organism must be made of two or more cells. B. During mitosis, a parent cells splits into two identical daughter cells. C.

At what time of day are dissolved oxygen levels most likely to be highest?

Pure water at 25°C ionizes as what?

Calculate the number of ATPs generated by the complete metabolic oxidation of tripalmitin (tripalmitoylglycerol). Hydrolysis of the triacylglycerol occurs at the cell surface.

If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, what would happen to the pressure of the gas? It would increase. It would be halved. It would stay the same.

Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization?: (A) 20.0 mL of 0.0500 M nitric acid (B) 15.0 mL of 0.0500 M hydrobromic acid (C) 5.0 mL of 0.0100 M sulfuric acid (D) 10.0 mL of 0.

Approximately what volume do 3.0 moles of kr gas occupy at stp? 80.0 40.0 l none of the above 20.0