Question 1

Which group in the periodic table can you find the element carbon?

Accepted Answer

4A

Answer

2A

Answer

1A

Answer

3A

Question 2

Which period in the periodic table can you find the element oxygen?

Accepted Answer

2

Answer

4

Answer

1

Answer

3

Question 3

How many electrons does the element aluminum have?

Accepted Answer

13

Answer

3

Answer

14

Answer

27

Question 4

Which among the following quantum number tells us the energy level an atom is in?

Accepted Answer

Principal Quantum Number

Answer

Angular Quantum Number

Answer

Magnetic Quantum Number

Answer

Spin Quantum Number

Question 5

How many electrons can occupy an s orbital?

Accepted Answer

2

Answer

14

Answer

6

Answer

10

Question 6

How many unpaired electron/s be found in a sulfur atom?

Accepted Answer

2

Answer

4

Answer

1

Answer

3

Question 7

Which among the following is known as an atom with unpaired electrons?

Accepted Answer

Paramagnetic

Answer

Diamagnetic

Answer

Both paramagnetic and ferromagnetic

Answer

Ferromagnetic

Question 8

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² is the ground-state electron configuration of calcium, what is the highest energy level of calcium?

Accepted Answer

4

Answer

1

Answer

3

Answer

2

Question 9

[Ar] 3d¹⁰ 4s² 4p⁴ is the noble electron configuration of selenium. How many valence electrons, does selenium have?

Accepted Answer

6

Answer

2

Answer

10

Answer

4

Question 10

Which of the following set of atoms have the same number of valence electrons?

Accepted Answer

Ra, Ba, Sr, Ca

Answer

C, Si, Al, B

Answer

Cs, Rb, Mg, Be

Answer

F, Cl, S, O

Question 11

Which of the following is the correct Lewis structure of antimony?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/52342eda4e8455a1c66757961391af7ac15afd52.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/3514c8378d421b6453af243136846ef38edf644b.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/65957c74e6959b1c0f661bca88a7cef9c51affe4.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/75923433bfe3071e9788b9ad7537dc21158e76f4.JPG

Question 12

Which of the following is the correct Lewis structure of fluorine ion?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/829d05ca31a75196729d7990846ce9a3c96e58b2.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/f7e5bc1185bdf83dfed59fcfdc5db20f1b3917cc.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/859769011e7b7e67e5745ebf3216b99175c2346a.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/00eb514929a3941c97fdc65f65c74b6ba994360b.JPG

Question 13

Which of the following will best represent the Lewis structure of aluminum?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/3f0ae8c52c1531d29946dd1e5937696255201044.JPG

Answer

All are correct

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/9e1836ce0511edde85f795462cb108eb5f1d3083.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/174f4dce305b89edbd9d01b407b0cb6f9b496b65.JPG

Question 14

Which of the following will best represent the Lewis structure of a magnesium ion?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/87ded91e2a571c371eb53ae92fb8ad8db51c6a5b.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/0ea772527ed580e19de3eb5c71fc948b14456bfb.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/db1e51a47204e14b90ea8ed96603f228e72802cd.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/2b09bd5aaa8b3d8e616fd6c35fec57cf445c1047.JPG

Question 15

Which of the following set of atoms will form a covalent bond?

Accepted Answer

H and Br

Answer

Na and Cl

Answer

K and F

Answer

Al and Br

Question 16

Which of the following pair of element-valence is CORRECT?

Accepted Answer

H – 1

Answer

P – 3

Answer

C – 2

Answer

Se – 4

Question 17

How many electrons does carbon need to fill its outer shell?

Accepted Answer

4

Answer

8

Answer

2

Answer

6

Question 18

Which of the following statement is FALSE?

Accepted Answer

Valence electrons that participate in the bonding of atoms is called lone pairs

Answer

In Lewis structure, most atoms attain stability by obtaining 8 valence electrons

Answer

Covalent bond can be a single, double, or a triple bond

Answer

Two nonmetals combine to form a covalent bond

Question 19

Which of the following is the CORRECT Lewis structure of N₂?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/096de5c4b863ab7d1ce6208d89e89e78ebaa7be7.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/db2b6d07bf7a15d4d1aee78a8a1d0b2b25eace31.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/f0e94d37577181b7631844e84e47f19e54f2b6cb.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/e2354a02b4d837084ef347a247bd89fd5b7af8e9.JPG

Question 20

What is the correct name of the given Lewis structure?

Accepted Answer

chlorine trifluoride

Answer

monochlorine trifluoride

Answer

chlorine fluoride

Answer

trifluorine chloride

Question 21

Which of the following is the CORRECT Lewis structure of cyanide ion?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/936f3de19bbb35cb367da50d4680420dfe779168.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/8e4af1a68fc2655a8a41ff2857ef0ccb5bad361a.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/1f6aa9462d70295c1adeb009457988970e410578.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/2c25811a6b0686a2b613e69df1b38363c8fb198c.JPG

Question 22

Which molecules would have this shape?

Accepted Answer

CO2

Answer

BF3

Answer

CH4

Answer

PCl5

Question 23

What is the shape and bond angle of this molecule?

Accepted Answer

Trigonal planar, 120^o

Answer

Tetrahedral, 109.5^o

Answer

Linear, 180^o

Answer

Bent, 120^o

Question 24

Which of the following compounds will have this geometry?

Accepted Answer

NH3

Answer

H2O

Answer

H2S

Answer

CCl4

Question 25

What is the molecular shape of PCl₃?

Accepted Answer

Trigonal pyramidal

Answer

Bent

Answer

Trigonal planar

Answer

Linear

Question 26

What is the molecular shape of all diatomic molecules?

Accepted Answer

Linear

Answer

Trigonal planar

Answer

Trigonal pyramidal

Answer

Bent

Question 27

Which molecule is polar?

Accepted Answer

H2S

Answer

N2

Answer

CO2

Answer

CH4

Question 28

Which formula represents a nonpolar molecule?

Accepted Answer

N2

Answer

CCl3H

Answer

NH3

Answer

H2Se

Question 29

Which of the following is an example of aromatic hydrocarbon?

Accepted Answer

Toluene

Answer

Ethyne

Answer

Butene

Answer

Methane

Question 30

Which saturated hydrocarbon contains one single carbon to carbon bond?

Accepted Answer

Alkane

Answer

Alkene

Answer

Alkyl

Answer

Alkyne

Question 31

Which functional group has a formula of CH₃OH?

Accepted Answer

Alcohol

Answer

Ether

Answer

Aldehyde

Answer

Ketone

Question 32

Which functional group has a general formula of RCOOH?

Accepted Answer

Carboxylic acid

Answer

Alcohol

Answer

Ester

Answer

Ketone

Question 33

What type of isomer is

Accepted Answer

Chain isomer

Answer

Functional group isomer

Answer

Position isomer

Answer

Stereoisomer

Question 34

What type of isomer has the same molecular formula but differ in the position of the substituent atoms?

Accepted Answer

Position isomer

Answer

Stereoisomer

Answer

Chain isomer

Answer

Functional group isomer

Question 35

Which is an example of combustion reaction?

Accepted Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/c7907dba66a56883ae57a01806c73c3c295b7f73.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/c97968d1ad12cee6d6b4153c8ba9154aeb66ab20.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/a213d9856dcb7e1df81cd888a927e8a5bdc3763a.JPG

Answer

https://uploads.quizalize.com/b782dd54-0e92-47fc-bbda-9ae1e79da4a5/question/4179c76d1f99aa6c82888703d03a2cfa42871189.JPG

Question 36

What type of reaction takes place in the given balanced organic equation:

Accepted Answer

Halogenation

Answer

Hydration

Answer

Hydrogenation

Answer

Hydrohalogenation

Question 37

Which of the following are the reactants in esterification?

Accepted Answer

Alcohol and carboxylic acid

Answer

Alkene and hydrohalic acid

Answer

Carbon dioxide and water

Answer

Hydrogen and oxygen

Question 38

What will be the product when an alkene reacts with hydrohalic?

Accepted Answer

Haloalkane

Answer

Ester

Answer

Carbon dioxide

Answer

Alkane

Question 39

What will be the product of ethene and hydrogen gas?

Accepted Answer

Ethane

Answer

Cycloethane

Answer

Ethylene

Answer

Ethyne

Question 40

Which type of reaction results to water molecule being eliminated?

Accepted Answer

Condensation

Answer

Esterification

Answer

Saponification

Answer

Addition condensation

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