Exploring Ionic vs Covalent Bonds

What is a compound?

• A combination of two or more elements in a fixed proportion

• A substance that cannot be broken down

• A mixture of elements in any proportion

• A single element

Tags

NGSS.MS-PS1-1

What are the properties of sodium chloride compared to its constituent elements?

• Completely different from both sodium and chlorine

• Similar to chlorine

• Similar to sodium

• A mix of properties from both sodium and chlorine

Tags

NGSS.MS-PS1-1

What type of bond involves the transfer of electrons?

• Hydrogen bond

• Metallic bond

• Ionic bond

• Covalent bond

What is a cation?

• A negatively charged ion

• An ion with no charge

• A positively charged ion

• A neutral atom

What is a lattice in the context of ionic bonds?

• A repeating 3-dimensional array of alternating cations and anions

• A single molecule

• A random arrangement of ions

• A structure with only cations

Tags

NGSS.HS-PS1-3

How is sodium chloride represented in terms of its formula?

• As a single sodium atom bonded to multiple chlorine atoms

• As a mixture of sodium and chlorine gases

• As a lattice with a 1:1 ratio of sodium to chlorine

• As individual molecules of NaCl

Tags

NGSS.MS-PS1-1

What type of bond involves the sharing of electrons?

• Metallic bond

• Covalent bond

• Van der Waals bond

• Ionic bond

Covalent bonds typically form between which types of elements?

• Noble gases

• Metals and nonmetals

• Nonmetals

• Metals

What does the molecular formula H2O represent?

• Two oxygen atoms and one hydrogen atom in a single molecule

• A mixture of hydrogen and oxygen gases

• Two hydrogen atoms and one oxygen atom in a single molecule

• A lattice of hydrogen and oxygen atoms

Tags

NGSS.MS-PS1-1

How do the formulas of ionic and covalent compounds differ in their representation?

• They are identical in meaning

• Both represent random arrangements of atoms

• Ionic formulas represent discrete molecules, while covalent formulas represent lattices

• Ionic formulas represent lattices, while covalent formulas represent discrete molecules