Tabla periodica
Flashcard
•
Fun, Science, Chemistry
•
4th - 8th Grade
•
Hard
Quiñonez Carolina
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
Elementos del grupo de los alcalinotérreos, métales blancos pesados, Valencia +2 (pierden dos electrones).
Back
Be, Mg, Ca, Sr, Ba, Ra.
2.
FLASHCARD QUESTION
Front
¿Cuántos grupos tiene la tabla periódica?
Back
18
3.
FLASHCARD QUESTION
Front
Características del Au (Oro)
Back
Grupo: 11 o 1B (Metales de transición)
Período: 6
Número atómico: 79
Masa atómica: 196.97 u
Valencias: +1, +3
4.
FLASHCARD QUESTION
Front
Características del Ne (Neón)
Back
Pertenece al grupo 8 u VIII A de los gases nobles, número atómico 10, periodo 2, no tiene valencia.
5.
FLASHCARD QUESTION
Front
Grupos en la Tabla periódica
Back
Es una columna vertical en la tabla periódica.
Los elementos de un mismo grupo tienen propiedades químicas similares porque tienen la misma cantidad de electrones en su última capa (electrones de valencia).
Hay 18 grupos en total.
6.
FLASHCARD QUESTION
Front
Periodos
Back
Es una fila horizontal en la tabla periódica.
Indica el número de niveles de energía (capas electrónicas) de un átomo.
Hay 7 períodos en total.
7.
FLASHCARD QUESTION
Front
¿Qué elemento no pertenece al grupo VI A?
Back
Bi (Bismuto)
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