I need this now Pick the THREE statements that describe convex lenses.
Group of answer choices

They make the image of an object appear smaller.

Light rays spread out as they exit the lens.

They are thicker in the middle than at the ends

They make the image of an object appear larger.

They are thicker at the ends than in the middle.

Light rays converge as they exit the lens.

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution. calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.