Which ionic compound is used as a building material?

salt

limestone

magnesium oxide

iron oxide

Which of the following pairs of elements is most likely to form an ionic bond? A. calcium and fluorine B. carbon and oxygen C. phosphorus and chlorine D. nitrogen and oxygen

In the reaction, Zn (s) + 2 HCl (aq) - -> ZnCl2 (aq) + H2 (g), 25 grams of Zn are reacted with 17.5 g of HCl. How many grams of H2 will be produced?

Why is disagreement among scientists important to the progress of science?

What is a gene A. A unit of heredity B. The central and most important part of an object C. An organelle found in large numbers in most cells

Which of the following combinations of elements will have a dipole moment? oxygen (O) and nitrogen (N) antimony (Sb) and tellurium (Te) germanium (Ge) and tin (Sn) phosphorus (P) and arsenic (As)

Determine the molecular geometry about each interior nitrogen atom of n2h4.

When all of the bulbs in the parallel circuit were first lit, did they all illuminate equally?

1. Electronegativity is the ... a. amount of energy required to remove the most loosely bound electron from an atom. b. tendency of an atom to lose an electron to another atom. c.

What can the particles of a liquid do that the particles of a solid can't do?

What is the molarity of a solution prepared by dissolving 10.0g of kno3 in 250 ml of solution