Hydrochloric acid has the chemical formula HCl. It is made of one hydrogen atom bonded to one

chlorine atom. What information is necessary to determine whether HCl is a polar molecule?

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What can be concluded if an ion of an element is smaller than an atom of the same element? (1) The ion is negatively charged because it has fewer electrons than the atom. (2) The ion is negatively charged because it has more electrons than the atom.

Water can dissolve other substances. Which factor best contributes to this property of water? A. Water is made up of ionic bonds. B. Water has weak intermolecular forces. C. Water is denser than most substances. D.

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The nucleus of an atom contains positively charged particles, called protons, and neutral particles, called neutrons. How is the nucleus of an atom held together? A.

What are all the elements to the left of the zigzag line in a periodic table called?

Gravitational force is produced by ___ between objects

Which is most likely the result of millions of metal atoms crowding together so that molecular orbitals become combined? A. the loss of metallic propertiesB. the formation of bands in a crystalC. the loss of valence electrons to other atoms D.

Which particles can be stopped by human skin?) alpha and beta particles only alpha particles alpha and gamma particles beta and gamma particles

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