This negatively charged particle occupies the space surrounding an atom’s nucleus.
What is an electron?
This is the number of electrons represented by 1s22s22p2.
What is six?
A neutral sodium atom has this many valence electrons.
What is one?
This many dots appear in the Lewis symbol for carbon.
What is four?
All electromagnetic waves travel at this speed in a vacuum.
What is 3.00×108 m/s?
An electron must do this to move to a higher energy level.
What is absorb energy?
This term describes an atom in its lowest-energy condition.
What is the ground state?
The configuration 1s22s22p2 represents this element.
What is carbon?
The configuration 1s22s22p63s23p3 contains this many valence electrons.
What is five?
This many dots appear in the Lewis symbol for oxygen.
What is six?
This term describes the distance from one wave crest to the next.
What is wavelength?
An electron releases this when it falls to a lower energy level.
What is a photon?
An electron enters this state after absorbing energy and moving farther from the nucleus.
What is an excited state?
The configuration 1s22s22p63s23p1 represents this element.
What is aluminum?
The configuration 1s22s22p63s23p3 contains this many occupied principal energy levels.
What is three?
This many dots appear in the Lewis symbol for chlorine.
What is seven?
This term describes the number of wave cycles passing a point each second.
What is frequency?
Between red and blue-violet light, this color has photons with more energy.
What is blue-violet?
These electrons occupy an atom’s highest occupied energy level.
What are valence electrons?
The noble-gas configuration [Ne]3s23p4 represents this element.
What is sulfur?
This is the shell distribution for bromine’s 35 electrons.
What is 2, 8, 18, 7?
The dots in a Lewis symbol represent these electrons.
What are valence electrons?
These electromagnetic waves have the longest wavelengths.
What are radio waves?
This pattern of colored lines forms when excited atoms release light.
What is an atomic emission spectrum?
This is the maximum number of electrons that can occupy one orbital.
What is two?
The noble-gas configuration [Ar]4s23d104p3 represents this element.
What is arsenic?
The configuration [Ar]4s23d104p represents this many electrons.
What is 34?
Before any dots pair, the first four dots occupy these locations around an element symbol.
What are the four separate sides?
These electromagnetic waves have the highest frequencies and energies.
What are gamma rays?
Scientists can identify an element from its emission spectrum because every element has this.
What is a unique pattern of spectral lines?