
Quimica complet
Authored by ASP SALAZAR CARLOS B-71
Chemistry
Professional Development
45 Questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El manganeso es un elemento esencial, siendo necesario un aporte entre 1 y 5 mg por día cantidad que se obtiene a través de los alimentos. Si su último electrón presenta los números cuánticos ( 3, 2, +2, + ½) determine el período y grupo al que pertenece dicho elemento:
4, VIIB(7)
3, VIIB (7)
3, VB(5)
4, VIIB (17)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Los hidruros son compuestos binarios que tienen muchos usos y aplicaciones por ejemplo el MgH2, usando en la industria farmacéutica, el PH3 se utiliza como fumigante. El HCl, en la industria manufacturera que se puede obtener mediante la siguiente ecuación química:
B
D
A
C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuál es la cantidad de electrones del Zinc (Z= 30, A= 65) en su nivel más energético:
3
10
7
18
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
B
D
C
A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
I y II
Sólo II
II y III
Sólo I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son átomos de un mismo elemento con diferente masa:
Isóbaros.
Isótopos.
Isoyoduro.
Isotonos.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El grupo de Halógenos y Gases nobles, pertenecen al grupo de:
Térreos.
Alcaloides.
Metales.
No metales.
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