Show:
HISTORY
atomic radii
LAYOUT
electrongativity & ionizatoion potential
POOPERI
100
who created the first periodic table of elements?
Mendelev
100
Down a Group/Family In which way do the atomic radii increase?
Down a Group/Family
100
how are groups organized in the modern periodic table from left to right?
by increasing atomic number
100
Along the period from left to right which way does ionization energy and electronegativity increase?
Along the period from left to right
100
what is Andrew Engel's middle name
William
200
who came up with a early classification system for elements, that grouped them into triads?
J.W. Dobereiner
200
From left to right across a peroid In which way do the atomic radii decrease?
From left to right across a peroid
200
how are families organized?
by similar traits
200
Francium Which Element has the lowest electronegativity and ionization energy?
Francium
200
what is the atomic mass of hydrogen?
1.00794
300
what two elements broke Mendeleev's periodic table?
iodine and tellurium
300
Francium Which element has the highest atomic radius?
Francium
300
the last familiy on the periodic table is known as...?
noble gasses
300
Fluorine Which element has the highest amount of electronegativity and ionization energy?
Fluorine
300
What is the average weight of a full grown polar bear (male)
900 lbs
400
what country is Dimitri Mendeleev from?
Russia
400
Which Element Has the Higher Atomic Radius? Calcium or Krypton?
Calcium
400
the first family on the periodic table of elements are known as the...
Alkali metals
400
Sulfer Which element has higher ionization energy and electronegativity. Sulfur or Tin
Sulfer
400
what is Brandon Kopp's favorite color
Blue
500
when was mendeleev's periodic table publoished?
1869
500
Which element has the higher atomic radius? Sodium, Calcium, Beryllium, Rubidum, or Barium?
Barium
500
name 2 halogens
(any two) flourine, chlorine, bromine, Iodine, Astatine
500
Radium Which element has a lower ionization energy and electronegativity? Barium, Potassium, Radium, and Strontium
Radium
500
what is Andrew Engel's phone number?
832 539 2283 (write it down, ladies.)