How is the sun classified

Will give crown to best answer! Which is a property that most nonmetals have in common? A. shiny B. malleable C. poor conductors of electricity D. tend to lose 1 or more electrons in a chemical reaction

Which of the statements is correct? A. Water leaves the descending limb of the loop of Henle through active transport. B. NaCl enters the ascending limb of the loop of Henle through diffusion. C.

For a chemical reaction, the activation energy for the forward reaction is + 215 kJ and the activation energy for the reverse reaction is + 59 kJ.

Two of the emission wavelengths in the hydrogen emission spectrum are 410 nm and 434 nm. One of these is due to the n=6 to n=2 transition, and one is due to the n=5 to n=2 transition. Which wavelength goes with which transition and why?

Which historical era was marked the beginnings of European explorations, conquests of the Americas, trans-Atlantic slave trade and the rise of a globally intertwined economy? A. Classical Era B. Intermediate Era C. Early Modern Era D.

What is a neutral atoms oxidation number

Suppose 30 grams of NaCl are placed in 900 mL of water. What is the molarity of this solution?

After a particularly cold day outside you go home to make some tea. you heat the water in the mug so that botch are about 75 degrees celcious. the tea bag is only 30 degrees celcious and the room is around 26 degrees celcious.

For main-group elements using the older numbering system the group number on the periodic table corresponds to which characteristic of the elements of that group

In the vertical columns of the periodic table, as the atomic numbers increase: a. the number of electron shells increases. b. the ionization energies increase. c. the number of electrons in the valence shell increases. d.