MULTIPLE CHOICE Choose the one alternative that best completes the statement or

Question

MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the 1) Which combination of atoms is most likely to form an ionic compound if they are 1) allowed to react with each other? A) metalloid and metalloid B) metal and metal C) nonmetal and nonmetal D) metal and nonmetal E) All combinations are likely to form an ionic compound. 2) Which statement about chemical bonds is FALSE? 2) A) The attraction between oppositely charged ions results in an ionic bond. B) The sharing of clectrons between two nonmetals results in a covalent bond C) The electrons in covalent bonds may be shared equally or unequally between the atoms. D) A nonpolar covalent bond is one in which clectrons are not shared equally between the atoms. E) A bond dipole is the separation of charge that results when atoms sharing electrons have different clectronegativity valucs. 3) Considering the electronegativity values indicated in the table, which covalent bond is 3 the most polar? Cl 3.0 4.0 2.1 A) CI-F B)C-H CN-O D)F-F E) H-F 4) What is the formula of the ionic compound formed when ions of calcium and nitrogen 4) combine? 5) Which of the following compounds contains a polyatomic ion? A) NH3 6) What is the name of the ionic compound with the formula NayPO4? A) silver phosphite B) sodium phosphate C) trisilver tetraphosphate D) trisodium tetraphosphate E) sodium phosphorus oxide

Explanation / Answer

1)

Ionic compounds are formed by bonding strong electrostatic forces between the ions.

Metals are easily formed positive ions and non-metals are easily formed negative ions. So, the bond between metal and non-metal is ionic. so, the combination of metal and non-metal ions most likely to form an ionic compounds.

Answer: D

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