Physical Science Chapter 6

Front

Typically, atoms gain or lose electrons to achieve

Back

a stable electron configuration.

Front

In an electron dot diagram, the symbol for an element is used to represent: the nucleus, the nucleus and all electrons, the nucleus and all valence electrons, the nucleus and all non-valence electrons

Back

the nucleus and all non-valence electrons

Front

Which element is the most stable based on electron dot diagrams for lithium, carbon, fluorine, and neon?

Back

Neon is the most stable element because its highest occupied energy level is filled.

Front

The formation of an ionic bond involves the

Back

transfer of electrons

Front

Which of the following statements correctly describes the substance with the formula KI? Options: Molecules of potassium iodide contain one atom of potassium and one atom of iodide., There is a one-to-one ratio of potassium ions to iodide ions., Potassium iodide is a molecular compound., Potassium iodide is a polyatomic ion.

Back

There is a one-to-one ratio of potassium ions to iodide ions.

Front

In the compound MgCl₂, the subscript 2 indicates that

Back

there are two chloride ions for each magnesium ion.

Front

You see a structural formula in which the symbols for elements are connected by a long dash. You can assume that the chemical bonds in the compound are

Back

covalent

Front

Which of the following formulas represents a compound whose molecules contain a triple bond? N≡N, O=O=O, O₃, SO₃

Back

N≡N

Front

In a polar covalent bond,

Back

electrons are not shared equally between atoms.

Front

Which phrase best describes a metallic bond? Options: a bond that is formed by a metal, the attraction between a metal anion and a shared pool of electrons, a bond that forms between a metal and a nonmetal, the attraction between a metal cation and a shared pool of electrons

Back

the attraction between a metal cation and a shared pool of electrons