COPY: Chemical Bonding Overview

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What is the ionic formula for the combination of magnesium and chlorine?

Mg2Cl
MgCl2 (correct)
MgCl
Mg3Cl2

How many electrons are transferred from sodium to sulfur when forming Na2S?

2 (correct)
4
1
6

What type of ion is formed when aluminum loses electrons?

Metallic Cation (correct)
Nonmetallic Anion
Anion
Neutral Atom

What is the empirical formula for aluminum oxide?

Al2O3 (D) Signup and view all the answers

What characterizes the bond formation in ionic compounds?

By the transfer of valence electrons (C) Signup and view all the answers

What relationship exists between the radii of atoms and their cations?

Cations are smaller than their neutral atoms (C) Signup and view all the answers

Which noble gas configuration is most similar to that of Mg2+ after ionization?

[Ne] (D) Signup and view all the answers

What is the nature of most compounds formed between metals and nonmetals?

Ionic Compounds (A) Signup and view all the answers

Which group of the periodic table tends to have nonmetals with high electron affinity?

Group VIIA (C) Signup and view all the answers

Which of the following elements forms a cation with a charge of +2?

Calcium (D) Signup and view all the answers

Which of the following ions is formed by a nonmetal from Group V?

P3– (B) Signup and view all the answers

What happens to the valence electrons when an element from Group IIA forms a cation?

All s and p electrons are lost (A) Signup and view all the answers

Which of these elements has the potential to form a covalent bond instead of an ionic compound?

Carbon (C) Signup and view all the answers

Which type of bond is characterized by the transfer of electrons?

Ionic bonding (A) Signup and view all the answers

In which of the following compounds would you expect to find covalent bonding?

H2O (C) Signup and view all the answers

What describes metallic bonds best?

Sea of electrons (C) Signup and view all the answers

Which elements are most likely to form ionic bonds?

Metals and nonmetals (A) Signup and view all the answers

What is the role of valence electrons in chemical bonding?

They are involved in the formation of bonds. (D) Signup and view all the answers

Which of the following statements about ionic bonds is correct?

They are electrostatic attractions between oppositely charged ions. (B) Signup and view all the answers

What do the dots represent in Lewis Electron-Dot Symbols?

Valence electrons (D) Signup and view all the answers

What type of bond occurs in the compound $HCl$?

Covalent bond (A) Signup and view all the answers

Which of these properties is typically associated with ionic compounds?

Crystalline solids at room temperature (C) Signup and view all the answers

Identify the incorrect statement about covalent bonds.

They form between metals and nonmetals. (B) Signup and view all the answers

Which of the following statements about Lewis Electron-Dot Symbols is true?

The symbols represent noble gas cores. (C) Signup and view all the answers

Which of the following compounds are classified as salts?

NaCl and KNO3 (C) Signup and view all the answers

Which statement is correct regarding the size of cations?

A higher positive charge leads to a smaller cation. (D) Signup and view all the answers

Which of the following cations would be isoelectronic with Argon?

Ca2+ (C) Signup and view all the answers

What is the relationship between ionic charge and size for anions?

Larger negative charges lead to larger anions. (D) Signup and view all the answers

Ionic formula of magnesium and chlorine

The chemical formula representing magnesium chloride is MgCl2.

Electrons transferred in Na2S

Two electrons are transferred from sodium to sulfur.