Mdals Flashcards
What is a Lewis Dot Structure used to represent?
Valence electrons in an atom or molecule
True or False: Lewis Dot Structures show the arrangement of atoms within a compound.
False
How many valence electrons does carbon have?
4
In a Lewis Dot Structure, how are valence electrons represented?
As dots around the symbol of the element
What is the maximum number of valence electrons that an atom can have in a Lewis Dot Structure?
8
What is the term for a pair of electrons shared between two atoms in a Lewis Dot Structure?
Covalent bond
How many shared electrons are in a single covalent bond?
2
What does a Lewis Dot Structure for an ion include that a neutral atom does not?
Charge
What is the Lewis Dot Structure for sodium (Na)?
Na with one dot
How many valence electrons does oxygen have?
6
What is the Lewis Dot Structure for oxygen (O)?
O with 6 dots
What is the Lewis Dot Structure for water (H2O)?
H: H with 2 dots, O with 4 dots
How many valence electrons does nitrogen have?
5
What is the Lewis Dot Structure for ammonia (NH3)?
N with 5 dots, H with 1 dot each
What is the Lewis Dot Structure for carbon dioxide (CO2)?
C: O with 2 dots each
How many valence electrons does chlorine have?
7
What is the Lewis Dot Structure for chlorine (Cl)?
Cl with 7 dots
What is the Lewis Dot Structure for methane (CH4)?
C with 4 dots, H with 1 dot each
How many valence electrons does hydrogen have?
1
What is the Lewis Dot Structure for hydrogen (H)?
H with 1 dot
What is the Lewis Dot Structure for carbon (C)?
C with 4 dots
What is the Lewis Dot Structure for nitrogen (N)?
N with 5 dots
What is the Lewis Dot Structure for fluorine (F)?
F with 7 dots
What is the Lewis Dot Structure for lithium (Li)?
Li with 1 dot
What is the Lewis Dot Structure for magnesium (Mg)?
Mg with 2 dots
