An atom of iron has 26 protons, 30 neutrons, and 23 electrons. what are its atomic number, atomic mass, and net charge?

What is a solubility curve for

Predict how much oxygen could be obtained from 15 grams of water. How reliable is this prediction?

An archaeologist finds a 1.62kg goblet that she believes to be made of pure gold. She determines that the volume of the goblet is 205mL. Calculate the density of the goblet

For what type of compound are we unable to write a molecular formula?

Which element belongs to the P^6 - block of the periodic table

Lithium (Li) and oxygen (O) are both in period 2. They both have? a. similar properties b. the same number of protons c. two electron shells d. the same number of electrons

What compares a law and a theory?

Explain what domain would best be represented by the "?" in the diagram. A) Eukarya because the organisms are all eukaryotic. B) Eukarya because the organisms are all prokaryotic. C) Bacteria because some of the organisms are autotrophs.

If you are eating a hamburger, it is an example of a consumer eating another consumer. a) true b) false

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g) Explain in steps