Flashcards
Learning about the Periodic Table
Flashcards do conjunto (18)
- 1Who first published the Periodic table and when did they publish?The first recognized Periodic table was published by Dmitri Mendeleev in 1869.
- 2What are the columns in the periodic table called?The columns in the periodic table are called groups.
- 3How many groups are they on the periodic table?They are 18 groups.
- 4What are the rows on the Periodic table called?The rows are called periods.
- 5How many rows are they on the Periodic table?They are 7 periods (rows).
- 6What tAlkali metals.
- 7What elements are found in group 2?Alkali Earth metals.
- 8What type of elements are located as you go to the right side of the Periodic table?Non-metals.
- 9What is the name of the elements in group 17?These are called halogens.
- 10What is the name of elements in group 18?These are called noble gases.
- 11Noble gases are so called because...They are inert (nonreactive).
- 12What trends decreases as you descend group 2?First Ionization Energy & Electronegativity.
- 13What trend increases down group 2?Atomic radius.
- 14What is electronegativity?Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.
- 15What trends increase across a period?First Ionization Energy & Electronegativity.
- 16What trend decreases across a period?Atomic radius.
- 17What is first ionization energy?The first ionization energy is the energy it takes to remove one electron from an atom.
- 18What is atomic radius?The atomic radius is a measure of the size of an atom, usually the distance from the center of the nucleus to the boundary of the surrounding cloud of electrons.
Informações
- Descrição
- This flashcard set was created to be used as an introduction to fundamentals of the periodic table.
- Criado por
- Chad Blackman
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- 33
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