Is the following a cation or an anion and what is the charge?

a) an iodine ion with 53 protons and 54 electrons

b) an iron ion with 26 protons and 23 electrons

Which idea comes engliment and is reflected in the constitution

Explain how the structure of lipids determines the polarity of the molecule

Cyanide was used in the infamous Jonestown Massacre true or false

Give two similarities and differences between cl and cl-

What are similarities and differences between compounds & elements?

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.