Arrangement of electrons review

an atomic orbital may describe at most two electrons, each with opposite spin directions

• energy level

• aufbau principle

• Pauli exclusion principle

• Hund's rule

electrons occupy orbitals of the same energy in a way that makes the number or electrons with the same spin direction as large as possible

• energy level

• aufbau principle

• Pauli Exclusion principle

• Hund's rule

the specific energies an electron in an atom or other system can have

• energy level

• atomic prbital

• electron configuration

• aufbau principle

the arrangement of electrons of an atom in its ground state into various orbitals around the nuclei of atoms

• energy level

• atomic orbital

• electron configuration

• Hund's rule

a mathematical expression describing the probability of finding an electron in an atom

• energy level

• atomic orbital

• electron configuration

• Pauli exclusion principle

the rule that electrons occupy the orbitals of lowest energy first

• electron configuration

• aufbau principle

• Pauli exclusion principle

• Hund's rule

What determines the chemical behavior of an atom?

• The arrangement of the electrons in its outermost electron shell.

• The number of electrons in the innermost shell.

• The number of neutrons in the nucleus.

• The presence of valence electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In reference to valence electrons and valence shells, what must an atom have to be inert?

• An atom must have no valence electrons in its valence shell.

• An atom must have less than four valence electrons in its valence shell.

• An atom must have between four and eight valence electrons in its valence shell.

• An atom must have a full valence shell of electrons, regardless of the number.

Tags

NGSS.HS-PS1-1

What element has this electron configuration?

• hydrogen

• helium

• lithium

• beryllium

Tags

NGSS.HS-PS1-1

What element has this orbital notation?

• lithium

• beryllium

• boron

• carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2