An Arrhenius acid has

(1) only hydroxide ions in solution

(2) only hydrogen ions in solution

(3) hydrogen ions as the only positive ions in solution

(4) hydrogen ions as the only negative ions in solution

a container holds 15 grams of phosphorus gas at a pressure of 2.0 ATM and a temperature of 20 degrees C what is the density of the gas

NH3 is an example of O A. a compound. B. an element. C. an atom. a mixture.

A radioactive nuclide is used to detect eye tumors. An atom of this radionuclide contains 15 protons, 15 electrons, and 17 neutrons. Which is symbol of this radionuclide?

Science Grade 8 Does anyone know this answer to this Science question? Select the sentence that is true about how a person changes the pitch of sounds when singing. A person stretches the vocal cords to produce higher-frequency sound waves.

What is the result at the end of meiosis II? A.) four diploid cells B.) two diploid cells C.) four haploid cells D.) two haploid cells

Which is a characteristic of a solution1. its particles scatter light2. ita particles are evenly distributed 3. its particles settle out 4. it has large suspended particles

Why might the increase of noise in natural areas be a problem, according to scientists studying wildlife? Support your answer with at least two details from the text.

What changes nitrogen gas in the air to nitrogen compounds that fall to the ground

How much time does it take a person to walk 12 km north at a velocity of 6.5 km/h

What are some ways that groundwater is used in the United States currently?