GC2 3rd Monthly Exam 2022-2023

Quiz by Karen Lagaña

General Chemistry 2
Philippines Curriculum: SHS Specialized Subjects (MELC)

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23 questions
• Q1

A dispersion force exists in both polar and nonpolar molecules.

true
false
True or False
60s
• Q2

A gas with a high density or molar mass diffuses or effuses faster than a gas with lower density or molar mass.

false
true
True or False
60s
• Q3

A real gas is a gas that does not behave according to the assumptions of the kinetic-molecular theory.

true
false
True or False
60s
• Q4

Diamagnetic substances are those that contain net unpaired spins and are attracted by a magnet.

false
true
True or False
60s
• Q5

Electronegativity is a property of an atom to attract a pair of shared electrons.

true
false
True or False
60s
• Q6

NaCl is a covalentcompound.

false
true
True or False
60s
• Q7

The arrangement of atoms ina molecule is called geometry.

true
false
True or False
60s
• Q8

The average kinetic energy of the molecules is proportional to the absolute temperature.

true
false
True or False
60s
• Q9

The energy needed to remove anelectron from an atom in the gaseous state is called ionization energy.

true
false
True or False
60s
• Q10

The molecules average kineticenergy decreases when the temperature increases.

false
true
True or False
60s
• Q11

Chemical bonds are forces of attraction that hold atomstogether to form compounds. What type of bond is formed when nonmetals shareelectrons?

ionic

covalent

metallic

electrovalent

60s
• Q12

In which sublevel do the electrons have the lowest energy?

4d

4f

4p

4s

60s
• Q13

Magnesium has 2 electrons in its outer shell. How does magnesium attain a stable configuration?

Mg atom accepts one electron.

Mg atom accepts six electrons.

Mg atom loses one electron.

Mg atom loses two electrons.

60s
• Q14

Which element are called alkaline earth metals and are located in the s-block?

phosphorus, silicon, selenium

neon, argon, krypton

manganese, gold, iron

calcium, magnesium, barium

60s
• Q15

Which of the following is a diamagnetic?

silicon

sulfur

magnesium

aluminum

60s
• Q16

Which of the following are not correctly paired?

Ar, noble gas

Br, halogen

Na, alkali metal

Sn, lanthanide

60s
• Q17

Which of the following compoundshas the strongest chemical bond?

ethanol

water

sugar

salt

60s
• Q18

Which of the following willdiffuse the fastest?

$H_2$

$NH_3$

$CO_2$

SO

60s
• Q19

Which of the following properties of gases indicate that the molecules are at constant random motion?

It leaks out of the container.

It is difficult to compress.

It has low density.

It is usually visible.

60s
• Q20

Which of the following statements about the Kinetic Molecular Theory is correct?

Molecules with lower molar mass will have slower velocity.

The average kinetic energy of a gas is dependent on temperature.

As the temperature of gas increases, the average kinetic energy decreases.

At a given temperature, molecules with greater molar mass will have higher average kinetic energy.

60s

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