What is the name of the element in period 2, group 15 (5A)
Nitrogen (N)
How many electron shells does Hydrogen have
1
In a whole, how is the periodic table organized
By increasing atomic number
What is a period
A row on the periodic table
How to find the atomic mass of an Element
Add the number of neutrons and protons
What is the name of the element with an atomic number of 14
Aluminum (Al)
How many valence electrons does Lithium have
1
What changes when you move up a group
The number of valence electrons gains by 1
What is a group on the periodic table
A column on the periodic table
Are electrons positive or negatively charged
Negatively
What is the atomic mass of Selenium (Se)
78.97
Which element has 3 electron shells, and is in group 14 (4A)
Silicon
What changes when you move up a period
The number of electron shells increases by 1
What is the nucleus of an element
The center, where nuetrons and protrons live
What is the element for the symbol "Ne"?
Neon
What element has an atomic mas of 15.999
Which element is in period 4 and group 13 (3A)
Gallium (Ga)
How are periods organized on the periodic table
By number of electron shells
What are valence electrons
The number of electrons on the outermost shell
What is the symbol for copper
Cu
What element has the symbol Dy
Dysproslum
How many valence electrons does Fluorine have
17
How are groups on the periodic table organized
By number of valence electrons
What is an isotope
A version of an element with the same amount of protons, but different amount of nuetrons
What is the symbol for silver
Ag