Compare two cells. One has a surface area to volume ratio of 3:1 and the other has a ratio of 6:1. Which one will have a better ability to get materials across its membrane?

Which statement best explains why different gases effuse at different rates?/ At a given pressure, gas particles with smaller masses move faster. At a given pressure, gas particles with smaller masses move slower.

Explain how the number of valence electrons of group a elements are related to the group number

The following is an example of what type of reaction? KBr + AgNO3 KNO3 + AgBr O Synthesis Decompositon Single Displacement Double Displacement Combustion

What type of bond is NH3 Ionic, covalent, or metallic

Which of the following properties is generally the least useful in identifying minerals? A.) hardness B.) streak C.) cleavage D.) color

Which subatomic particles differ in number for two isotopes of the same element, and which subatomic particles will stay consistent between two isotopes of the same element? Explain how you know.

What is the oxidation state of an individual phosphorus atom in PO33-?

What must be added to water in order to change state from liquid to a gas?

What's 124.683 as a 1 significant digit number

You found that your wet product contains 0.362 moles of ammonium magnesium phosphate hexahydrate. How many grams of phosphorus does your wet product contain