Electron Configuration
Periodic Trends
The Periodic Table
Elements
Atomic Structure
100
Alkali Earth Metals are found in the _____ block.
S-Block
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
The f-orbital has __ orbitals and can hold __ electrons total.
7, 14
200
Which of these elements has the lowest electronegativity?
Ar, Cl, Br, Se
Ar
200
Elements that are Transition Metals have ________ electrons.
varied
200
What is the formula for finding the neutrons of an atom?
Mass - Atomic number
200
Elements in the same group share this.
valence electrons
300
Find the element:
1s22s22p63s23p64s23d104p5
Bromine
300
Arrange the elements in correct order of decreasing ionization energy:
Be, Ba, Ca, Mg, Ra
Be, Mg, Ca, Ba, Ra
300
How many valence electrons does nitrogen have?
5
300
Silicon is considered to be a ___________ type of element, which means ___________.
Metalloid, it has properties of metals and nonmetals
300
An ion with a -2 charge has 2 ______ electrons than protons.
less/more
more
400
Predict the element for this configuration:
[Ar]4s23d7
Nickel
400
Metal ions tend to _____ in atomic radius, because they ______ electrons.
(grow/shrink, gain/lose)
shrink, lose
400
This group has full valence shells.
Noble Gases
400
How many electrons are in an ion of As3+?
30
400
The nucleus of the atom was discovered by this scientist.
Ernest Rutherford
500
This rule requires that a single electron be placed in every orbital first before they are paired.
Hund's Rule
500
From top to bottom, elements increase in _______. From left to right, elements increase in __________. The relationship between these two factors is quantified by the equation for ______________.
shells
proton
Coulomb's Law
500
Halogens in group 17 have 7 valence electrons and are known to be ______ _________.
salt-formers
500
How would your say the full name of an element with 40 protons and 44 neutrons?
Zirconium - 84
500
Atoms on the periodic table have a _________ charge, meaning they have __________ protons than electrons. (more, less, or the same number of)
neutral, the same number of