RolandoHerreraCHEM1311.08PRE

RolandoHerreraCHEM1311.08PRE

University

10 Qs

quiz-placeholder

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RolandoHerreraCHEM1311.08PRE

RolandoHerreraCHEM1311.08PRE

Assessment

Quiz

Chemistry

University

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Created by

Rolando Herrera

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Give an example(s) of a physical property

color and melting

combustability

rusting

none of the above

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Balance the following equation

C+O2 ------>CO     

C+O2 ------>CO     

C+O2 ------>2CO     

C2+O2 ------>CO     

2C+O2 ------>2CO     

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the empirical formula for the following equation

H2C2O4.

that is the empirical formula

H2C2O2.

HCO2.

H4C4O8.

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How many significant figures in 523

3

2

1

4

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

What is the mass number of an iron atom that has 28 neutrons?

48

50

52

54

6.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

Convert 200 degrees celcius to kelvin

300

473.15

200

515.75

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the element with the symbol Cl

chlorine

Gold

Magnesium

Carbon

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