Examen semana 1
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Easy
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
CUANTO ES 12.34 + 7.892
22.278
21.345
20.232
18.891
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
CUANTO ES 15.76 − 8.935
6.392
6.825
7.391
5.527
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
CUANTO ES 4.5 × 2.3
9.28
10.69
11.46
10.35
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
CUANTO ES 3.76 × 0.82
5.7901
3.0832
4.6821
3.1478
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
CUANTO ES 9.6 ÷ 1.2
8
8.4
9
7.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
CUANTO ES 5.432 ÷ 0.4
12.89
14.23
13.58
13.67
Answer explanation
primero paso: multiplicas x10 para trabajar con entero (5.432×10=54.32 0.4×10=4)
Segundo paso: Haces la división normal (54.32÷4=1358)
Tercer paso: para ubicar la como/punto debes contar la cantidad de decimales después de la como de cada dividendo( 54.32÷4 - como hay dos decimales después del punto en el resultado 1358 se le pone el punto después del 58 quedando 13.58)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qué propiedad periódica aumenta de derecha a izquierda y de arriba hacia abajo en la tabla
Electronegatividad
Radio atómico
Energía de ionización
Afinidad electrónica
Answer explanation
el radio atomico aumenta de derecha a izquierda y de arriba a abajo
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