Valence Electrons
Where are valence electrons located?
In the outermost energy level (energy shell)
What is used to represent valence electrons?
dots
What is the name of element symbol "B"
Boron
What is the symbol of the element "Helium"?
He
Who is known as the father of the periodic table?
Dmitri Mendeleev
How can we determine how many valence electrons an atom has?
By looking at the group number
What is in the middle of the Lewis Dot Diagram?
The atom's symbol
What is the name of element symbol "Be"
What is the symbol of the element "Lithium"?
Li
What is the name of the elements that form a 'staircase' in the periodic table?
Metalloids
True or False: Valence electrons = atomic number
False
How many valence electrons can be in an atom? Hint: It is a range of numbers.
1-8
What is the name of the element symbol "Na"
Sodium
What is the symbol of the element "Vanadium"?
V
How do you determine the number of neutrons of an atom?
Mass number - number of protons (or atomic number)
Group VI has how many valence electrons?
6 valence e-
What is the direction the electrons need to be put? (Hint: use words left, right, top, bottom)
Top, right, bottom, left (X2)
What is the name of element symbol "Cr"
Chromium
What is the symbol of the element "Manganese"?
Mn
What is the name of the scientist that developed the Bohr Model?
Neils Bohr
Helium is a part of the Noble Gases family. How many valence electrons does helium have?
2
What is a + ion called? What is a - ion called?
Cation & anion
What is the name of the element symbol "Hg"
Mercury
What is the symbol of the element "Nickel"
Ni
What is isotope notation?
AZX