Electron Configuration
Periodic Trends
Bohr/ Lewis Structure
Element
Atomic Structure
100
Define valence electrons
The electrons in the outer energy level
100
As atomic number increases within Group 15 on the Periodic Table, atomic radius_____________
increase
100
Rows on the periodic table
Periods
100
The majority of the elements on the periodic table are this.
metals
100
A subatomic particle with no charge.
a neutron
200
Define electron configuration
the summary of where the electrons are around a nucleus
200
What is the group number of noble gases?
18/ 8A
200
Families in the Periodic Table
Column
200
What is the formula for finding the neutrons of an atom?
Atomic mass - Atomic number
200
The location of electrons.
outside the nucleus
300
Find the element:
1s22s22p63s23p64s23d104p5
Bromine
300
Arrange the elements in correct order of decreasing electronegativity:
Be, Ba, Ca, Mg, Ra
Be, Mg, Ca, Ba, Ra
300
How many valence electron does this element have?
5
300
What are neutrons of Arsenic (As)
42
300
Elements in the same group share this.
same number of valence electrons
400
Predict the element for this configuration:
[Ar]4s23d104p1
31
Ga
Gallium
400
Represents the relative size of the atoms using the increasing order:
Li, Na, K, and Rb
Li, Na, K, Rb
400
How many valence electron does Chlorine have?
7
400
The types of elements found in groups 13-18 include —
nonmetals, semimetals, noble gases, and metals
400
The three classes of elements are these.
metals, metalloids, and nonmetals
500
Write the configuration for Na
1s22s22p63s1
500
Which of these elements has atoms with the largest atomic radius?
Sr, Ba, Rb, Cs
Cs
500
Elements in group 1 have only 1 valence electron and are considered this.
What are elements that are considered extremely reactive?
500
Atomic Number and Atomic Mass of Bi
Atomic Number: 33
Atomic Mass: 209
500
Located on the right side of the zigzag line.
nonmetals