Chemistry - Bonding Quiz

An element with an electronegativity of 0.9 bonds with an element with an electronegativity of 3.1. WHich phrase best describes the bond between these elements?

• mostly iconic in character and formed between town nonmetals

• Mostly ionic in character and formed between a metal and a nonmetal

• Mostly covalent in character and formed between two nonmetals

• Mostly covalent in character and formed between a metal and a nonmetal

GIven the lewis electron- dot diagram. WHich electrons are represented by all the dots?

• The hydrogen valence electrons only

• all of the carbon and hydrogen electrons

• the carbon and hydrogen valence electrons

• the carbon valence electrons, only

Tags

NGSS.HS-PS1-1

A substance that has a melting point of 1074 K conducts electricity when dissolved in water, but does not conduct electricity in the solid phase. The substance is most likely

• a network solid

• an ionic solid

• a molecular

• a metallic solid

Tags

NGSS.HS-PS1-3

Which statement explains why the radius of a lithium atom is larger than the radius of a lithium ion?

• Nonmetals lose electrons when forming an ion.

• Metals lose electrons when forming an ion

• Nonmetals gain electrons when forming an ion

• Metals gain electrons when forming an ion

Draw the electron-dot (Lewis) structure of calcium chloride (CaCl₂)

Answer explanation

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the Group 15 elements can lose an electron most readily?

• Sb

• P

• N

• Bi

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As a bond between a hydrogen atom and a sulfur atom is formed, electrons are

• Shared to form an ionic bond

• shared to form a covalent bond

• transferred to form an ionic bond

• transferred to form a covalent bond

Tags

NGSS.HS-PS1-1

Which type of bond results when one or more valence electrons are transferred from one atom to another?

• a polar covalent bond

• a non polar covalent bond

• an ionic bond

• a hydrogen bond

A substance was found to be soft, non- conducting solid at room temperature. The substance is most

• a ionic solid

• a network solid

• a molecular solid

• a metallic solid

Based on bond type, which compound has the highest melting point? 1. Ch3OH 2. CCl4 3. CaCl2 4. C6H14

• Ch₃OH

• CCl₄

• CaCl₂

• C₆H₁₄

Tags

NGSS.HS-PS1-3