Flashcards
Topic 1 cards
Flashcards do conjunto (15)
- 1Who developed the first periodic table?Dmitri Mendeleev
- 2What other name does Group 8 have?Group 0 - Noble Gases
- 3Where are the transition metals located on the periodic table?Between Groups 2-3
- 4In an atom, where are the electrons located?Shells or Orbits
- 5What 3 things make up an atom?Protons, Electrons and Neutrons
- 6How many neutrons does Potassium have?20
- 7Which of these methods is most useful for removing a salt substance from water? Crystallization Distillation FiltrationCrystallization
- 8Why are the group 8 elements so unreactive?They have stable electronic structures.
- 9Which of the alkali metals is the most reactive of the group?Francium
- 10Which element's atomic structure is this?Lithium
- 11Which is the only liquid transition metal and what is its melting point?Mercury, -39 degrees C
- 12Who was the first person to discover the electron?JJ Thomson
- 13Which of these elements would have a greater reading on the Mohs' (hardness) Scale? Potassium or Nickel.Nickel - The transition metals are always very hard and Potassium is in Group 1 so therefore will be more malleable.
- 14Which of these compounds is pink? Manganese Chloride Lithium Chloride Sodium ChlorideManganese Chloride - transition metals usually give off a colour when reacted.
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- FlashCards sobre Topic 1 cards, criado por joseph gregg em 08-11-2018.
- Criado por
- joseph gregg · nov 2018
- Atualizado
- 8 nov 2018
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