Which of the following has the smallest first ionization energy: F, Be, Sr or Ra?

F

Be

Sr

Ra

What is the diffence and the same of snake and worm

5) Samantha added 125 mL of water to 100mL of a stock solution to make 225 mL of a 0.75 M solution. What was the molarity of the original stock solution? O 1.7 M. O 0.3 M O 0.75 M O 3M

What is the h2 h2o molar ratio?

How are physical and chemical changes similar? Neither can change the number of atoms of each element that are present. Neither can cause chemical bonds to break. Neither can result in a phase change.

4 type of molecular models

Is it ever possible to extract 100% of a compound from a solution? Why or why not?

Covalent, ionic, and metallic are the three types of attraction between atoms.

A red blood cell has a round structure. A muscle cell has a long, thin structure. Which statement best explains why these two types of cells have different structures

Does oxidation cause misfolding of protein

A solution is a homogenous mixture of solute and solvent. There are different types of solutions. A carbonated drink is an example of a solution where the solute is a gas and the solvent is a liquid.