Electrons in Atoms

What does Pauli exclusion principle state ?

• states that each electron occupies the lowest energy orbital available

• states that -no two electrons in the same orbital can have the same spin

• states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

How many electrons can the d sublevel(orbital) hold?

• 8

• 10

• 2

• 4

What is this element?

• magnesium

• iron

• manganese

• chromium

Tags

NGSS.HS-PS1-1

There are 4 different types of subshells(orbitals) s,p,d,f

• true

• false

When an electron moves from a lower to a higher energy level, the electron _____.

• gains a certain amount of energy

• gains any amount of energy

• loses energy

• moves closer to the nucleus

The lowest energy state of electrons in an atom is called the _____.

• dependent state

• excited state

• configuational state

• ground state

In Bohr's model of the atom, where are the electrons and protons located?

• the electrons orbit the protons, which are at the center of the atom

• the electrons and protons move throughout the atom

• the electrons and protons are located throughout the atoms, but they are not free to move

• the electrons are stationary around the protons, which are at the center of the atom

Emission of light from an atom occurs when the electron _____.

• moves within its atomic orbital

• jumps from a lower to a higher energy level

• falls into the nucleus

• drops from a higher to a lower energy level

Tags

NGSS.HS-PS4-3

The method that describes the possible positions of electrons in an atom is its _____.

• valence electron

• ground-state level

• electron configuration

• orbital

Emission of light from an atom occurs when an electron _____.

• drops from a higher to a lower energy level.

• jumps from a lower to a higher energy level.

• moves within its atomic orbital.

• falls into the nucleus.

Tags

NGSS.HS-PS4-3