Humans have used rocks in the creation of tools and building materials true or flase

Which atom would tend to gain 1 valence electron from another atom in order to become stable?

Consider the compound pb (so4) 2 and answer the following questions A. what is the name of this compound? Lead (IV) Sulfate B. What is the molar mass if this compound? Explain how you calculated this value

What is the best explanation for why electrolyte solutions conduct electricity? the presence of free‑flowing ions the presence of water the presence of free‑flowing electrons the presence of atoms

The atomic mass of an element is the weighted average of the (1) number of protons in the isotopes of that element (2) number of neutrons in the isotopes of that element (3) atomic numbers of the naturally occurring isotopes of that element (4)

What is the chemical formula for lead (IV) oxide? A) PbO2 B) PbO4 C) Pb2O D) Pb4O

Why is it possible to bend metals but not ionic crystals

If the concentration of an analyte in a solution prepared by digesting a 2.05 g solid sample and making up to 100 mL, is found to be 21.1 mg L-1. What was the mass percentage of the analyte in the original sample?

If a particular ore contains 58.5% calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus?

What is the difference between friction and gravity

When an action force occurs, the reaction force is always Question 6 options: A. in the same direction as the action force. B. applied to the same object as the action force. C. nonexistent. D. equal and opposite to the action force.