Scientists
It's all in the Family
Metal, Nonmetal, or Semimetal
Ions
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100

This Scientist is known as the Father of the Periodic Table.

Dmitri Mendeleev

100

This family is full of elements that do not react with others (ex. Ne)

Noble gas

100

Gold (Au)

Metal

100

Negatively charged ions are called...

Anions

100

Which element has a larger atomic radius: Cadmium (Cd) or Tin (Sn)

Cadmium (Cd)

200

Johann Dobereiner arranged elements into _______, or groups of three.

Triads

200

This reactive family of metals all have one valence electron. (ex. Sodium)

Alkali Metals

200

Sulfur (S)

Nonmetal

200

Which has a larger atomic radius: a N atom or N3- ion

N3-

200

Which element has a higher ionization energy: Cesium (Cs) or Molybdenum (Mo)

Molybdenum (Mo)

300

He arranged the elements by Atomic Number and is known as the Father of the Modern periodic table.

Henry Moseley

300
Magnesium and Calcium belong to this family.

Alkaline Earth Metals

300

Bromine (Br)

Nonmetal
300

Which has a larger atomic radius: a B atom or B3+ ion

B atom

300

Which element has a higher electron affinity: Strontium (Sr) or Radium (Ra)

Strontium (Sr)

400

Who arranged the elements into a table ordered by atomic mass?

Dmitri Mendeleev

400

Groups 3-12 are all a part of this family.

Transition Metals

400

Boron (B)

Semimetal

400

Cations have a (larger/smaller) atomic radius than their neutral atoms.

smaller

400

Which element has a higher electronegativity: Sulfur (S) or Aluminum (Al)

Sulfur (S)

500

Who arranged elements into octaves (groups of 8)?

John Newlands

500

This family of nonmetals is full of incredibly reactive elements such as Fluorine.

Halogens

500

Neodymium (Nd)

Metal

500

Which has a larger atomic radius: Mn, Mn2+, Mn3+

Mn

500

The amount of energy needed to remove an electron from an atom is called....

Ionization energy