Electron Configuration
History of the Periodic Tabe
Periodic Properties
Periodic Table
RANDOM

100

The sublevels of the periodic table
What are s,d,p,f sublevels?

100

The man responsible for creating the periodic table
Who is Dmitri Mendeleev?

100

The three main types that the elements are classified as
What are metals, nonmetals, and metalloids?

100

The name of the columns in the periodic table
What are Groups or Families?

100

1s
What is Hydrogen?

200

The elements of the first group on the periodic table is known as ___
What are the alkali metals?

200

The scientist who recognized that the basis of the periodic table is the atomic number, not the atomic mass like previously thought
Who is Henry Moseley?

200

The energy that increases going left to right on the periodic table as well as increases when going down a group
What is ionization energy?

200

The order of the periodic table is determined by ____
What is the atomic number?

200

This element has the highest electronegativity
What is Fluorine(F)?

300

Group 17 are known as the ____
What are halogens?

300

The year when Mendeleev got his first periodic table published
What is 1869?

300

The ability to shine; nonmetals lack this
What is luster?

300

The element that is first in the periodic table
What is Hydrogen?

300

[Xe]6s(2)4f(14)5d(7)
What is Iridium(Ir)?

400

The p-block elements and the s-block elements make up the ____
What are the main group elements?

400

The scientist who presented a convincing method for accurately measuring the relative masses of atoms
Who is Stanislao Cannizzaro?

400

These elements are all gases at room temperature
What are noble gases?

400

The group number determines ___
What is the number of valence electrons?

400

This physical property increases as it comes towards the center of the periodic table
What are the melting and boiling points?

500

The f-block elements
What are the lanthanides and the actinides?

500

The group of chemists who assembled in Karlsruhe, Germany in September 1860 to settle the issue of atomic mass
What is the First International Congress of Chemists?

500

This group is highly reactive, especially with alkali metals and alkaline earth metals
What are halogens?

500

The representation of the period numbers
What is the number of electron shellst?

500

[Kr]5s(2)4d(6)
What is Ruthenium(Ru)?