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sel 1 preguntas basicas

Authored by JORGE BARRERA

Chemistry

1st Grade

Used 6+ times

sel 1 preguntas basicas
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simbolo quimico del mercurio

Me

Mr

Hd

Hg

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula quimica del amoniaco

NH2

CH4

NH3

PH3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Descubrio el proton

thomson

Rutherford

Schrodinger

Chadwick

4.

MULTIPLE CHOICE QUESTION

2 mins • 4 pts

Media Image

+4

+2

-2

-4

5.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

Media Image

5

6

4

7

6.

MULTIPLE CHOICE QUESTION

2 mins • 3 pts

Hallar la cantidad de moles presente en 160 gramos de hidróxido de sodio (NaOH)

masas atómicas: Na=23; O=16; H=1

4 mol

4 g

2 mol

2g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La tabla periodica posee ..... elementos quimicos naturales

112

118

90

92

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