Chem 2024 Semester Test

Front

What is a positive ion called?

Back

Cation

Front

Which example shows a violation of Hund's Rule?

Back

C

Front

______________________ is defined as the ability of an atom to attract electrons when the atoms are in a compound.

Back

Electronegativity

Front

What is the electron configuration for Krypton?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

Front

A ___________________ is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.

Back

Polar molecule

Front

What is the term for a negatively charged ion?

Back

Anion

Front

What does Hund's Rule state about electron configuration?

Back

Every orbital in a subshell is singly occupied before any orbital is doubly occupied.

Front

Define bond polarity.

Back

The distribution of electrical charge over the atoms joined by the bond.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the significance of the octet rule in chemistry?

Back

Atoms tend to bond in such a way that they have eight electrons in their valence shell.