How many electrons are required to complete the outer energy level of a phosphorus atom?

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Which of these is a body fossil? A. shrimp burrow B. Plant Imprint C. Claw Print D. dinousaur egg

How do most fossils form? Be sure to explain your answer.

Which of the following is a noncontact force? A. magnetic forces B. electrical forces C. gravitational forces D. all of these

Which elements are likely to have a larger atomic radius than silicon (Si). aluminum (Al) carbon (C) sulfur (S) tin (Sn)

The molality of a solution is a measure of - A - moles of solute per kilogram of solution B - moles of solute per liter of solution C - moles of solute per kilogram of solvent D - moles of solute per liter of solvent

Which technology has allowed for exploration beyond our solar system? A) space probe B) space station C) space shuttle D) space observatory

Which carbonate is most stable to heat? A. Sodium carbonate B. Copper (ii) carbonate C. Zinc carbonate

How many liters of 0.75 M solution can be made using. 336 moles of lead (II) oxide?

Which molecule, when added to a solution, would give the solution the highest ph? A. HCI B. H2SO4 C. KOH D. H2O