
Sheila yacelga
Authored by Cheila Yacelga
Chemistry
2nd Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Que significado tiene el ESTAÑO.?
Es un elementos químico metálico de números atómicos 50, es de color y brillo plateado que se empleampara recubrir otros metales.
Representa con símbolos y fórmulas a elementos y compuestos químicos.
Es un elemento químico atómicos 2 es de color azul y brillo plateado
Es la fórmula más básica de cuantas existen y empresa el tipo de atomo y el número de cada uno.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Que es la antimateria.?
La antimateria es un tipo de materia en varias propiedades diferentes llamadas: (materia mala o dañina)
Esta antimateria solo la puede obtener la for.a artificial creada en un laboratorio científico.
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
¿Que indica el número de oxidación ?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escribe el símbolo y número de oxidación del siguiente elemento ( MAGMECIO )
FE. +2+3
MG. +1+3+6
HG. +1+2
CA. +2
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
¿Que es formula?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La nomenclatura química es un
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Escriba el símbolo y número de oxidación del siguiente elemento ( Hierro )
Mg +2
Pb +2+4
Fe +2+3
Au +1+3
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