
Examen parcial
Authored by Maria Bravo
Chemistry
9th - 12th Grade
Used 1+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
La fórmula del agua es :
H3O
H2O
HO2
H2 O
2.
FILL IN THE BLANK QUESTION
5 sec • 1 pt
El oxígeno es un_________________
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
La fórmula química del cloruro de sodio es :
NaCl
Na2Cl
Na2Cl8
Na3Cl8
4.
DROPDOWN QUESTION
5 sec • 1 pt
(a)
5.
OPEN ENDED QUESTION
5 sec • 1 pt
¿ El hidrógeno es importante para la vida ?
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