
Examen de Química
Authored by Brenda Herrera
Chemistry
12th Grade
Used 8+ times

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143 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Según la nomenclatura tradicional como se llaman los siguientes compuestos: 1. H₂Se:
Ácido Selenioso
Ácido Selenico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. PH3:
Arsenamina
Metano
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Au OH3
Hidróxido Áuroso
Oxido Áuroso
4.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
4. HBrO4:
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Escoja la fórmula del siguiente compuesto: 5. Perclorato de Calcio:
Ca(ClO4)3
Ca(ClO4)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
6. Se tiene 3,12 x 10 21 atomos de Plomo (Pb). Determina: a. ¿Cuántas moles representa? b. ¿Cuántos gramos representa?
5,18 x 10 -3 moles de Pb; 1,07 gr Pb
5,18 x -67 moles de Pb; 1,67 gr Pb
5,18 x -21 moles de Pb; 2,07 gr Pb
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
7. Si se dispone de 123,11g de cloruro de plata (AgCl), ¿Cuántas moles contiene el frasco? ¿Cuál es el número total de átomos de cloro (CI) presentes?
0,86 mol AgCl; 5,17 x 1024 átomos de AgCl
0,86 mol AgCl ; 5,17 x 1042 átomos de AgCl
0,86 mol AgCl ; -5,17 x 1024 átomos de AgCl
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