leccion1 quimica 2
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Medium
teresacristina calle
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El N, P, As , son elementos que pertenecen a la familia?
Halogenos
Anfigenos
Nitrogenoides
alcalinos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Forman parte de la familia IB:
Zn, Cd, Hg
Au, Ag, Cu
Sc, Y, La, Ac.
Cr, W, Mo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son propiedades físicas de los metales:
No son lustrosos y son opacos.
Por lo general son malos conductores del calor y la electricidad.
Sus puntos de fusión son más bajos
Tener dureza o resistencia a ser rayados; resistencia longitudinal o resistencia a la rotura; elasticidad.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los no metales se caracterizan por:
Ser malos conductores del calor y la electricidad.
Ser resistencia a la rotura.
Ser maleabilidad
Ser lustrosos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los metaloides o semimetales son cierto tipo de elementos químicos, que exhiben un comportamiento intermedio entre los elementos metálicos y no metálicos, siendo estos:
B, Si, Ge, Ar, Sb, Te, Po
Cl,Br, I, At, O S, Se, Te
H, Li,Na, K, Rb, Cs.
Mg, Ca. Ra, Ba, Ra
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
el numero de oxidación del oxigeno es:
+16
-16
-2
+2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los números de oxidación de HCl son :
+1, -1
-1, -1
-1, +1
+1, +1
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