GC2 3rd Monthly Exam 2022-2023
Quiz by Karen Lagaña
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A dispersion force exists in both polar and nonpolar molecules.29truefalse
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A dispersion force exists in both polar and nonpolar molecules.truefalseTrue or False60sEditDelete
A gas with a high density or molar mass diffuses or effuses faster than a gas with lower density or molar mass.falsetrueTrue or False60sEditDelete
A real gas is a gas that does not behave according to the assumptions of the kinetic-molecular theory.truefalseTrue or False60sEditDelete
Diamagnetic substances are those that contain net unpaired spins and are attracted by a magnet.falsetrueTrue or False60sEditDelete
Electronegativity is a property of an atom to attract a pair of shared electrons.truefalseTrue or False60sEditDelete
NaCl is a covalentcompound.falsetrueTrue or False60sEditDelete
The arrangement of atoms ina molecule is called geometry.truefalseTrue or False60sEditDelete
The average kinetic energy of the molecules is proportional to the absolute temperature.truefalseTrue or False60sEditDelete
The energy needed to remove anelectron from an atom in the gaseous state is called ionization energy.truefalseTrue or False60sEditDelete
The molecules average kineticenergy decreases when the temperature increases.falsetrueTrue or False60sEditDelete
Chemical bonds are forces of attraction that hold atomstogether to form compounds. What type of bond is formed when nonmetals shareelectrons?
In which sublevel do the electrons have the lowest energy?
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.60sEditDelete
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, barium60sEditDelete
Which of the following is a diamagnetic?
Which of the following are not correctly paired?
Ar, noble gas
Na, alkali metal
Which of the following compoundshas the strongest chemical bond?
Which of the following willdiffuse the fastest?
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.60sEditDelete
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.60sEditDelete
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