Electronic Structure
Chemical Bond
Carbon Compounds
Mole Concept
Miscellaneous
100

What kind of particle is produced after covalent bonding?

Molecule

100

Which particle plays the most active role in chemical bonding?

Valence Electron

100

Carbon as an important element that serves as the “backbone” of organic compounds. It has 4 valence electrons. How many core electrons does it have?

2

100

How many particles of any substance is present in one mole?

6.02 x 1023 particles

100

What do you call the state of an electron when the atom absorbs even a very small amount of energy, and the electron is elevated to a higher energy level?

Excited state

200

Which principle states that electrons occupying the same orbital must have an opposite spin ↑↓?

Pauli’s Exclusion Principle

200

If the electron configuration of carbon is 1s22s22p2, then how many dots surrounds the Carbon in the Lewis structure?

4

200

How many types of bonds are there in a double-bond hydrocarbon?

2

200

What organic compound is used by embalmers in treating human cadavers?

formaldehyde

200

It refers to the ability of an atom in a molecule to attract shared electrons toward itself.

Electronegativity

300

What do you call the Atomic Model that describes that the atom’s mass is concentrated in the nucleus, which consists of a proton and a neutron.

Rutherford's Nuclear Model or Nuclear Model

300

Type of bond when a metallic element like sodium transfers an electron to a non-metallic element like chlorine.

Ionic Bond

300

 It is the simplest hydrocarbon.

CH4

300

What is the percent composition of carbon in table sugar (C12H22O11)?

42.11%

300

The term given to an atom that carry a positive or negative charge

Ion

400

Which is the correct electron configuration of an element Sodium (Na+)?

1s2 2s2 2p6

400

What type of covalent bond is formed when electrons are not equally shared?

Polar covalent bond

400

Marcela wants to change her nail polish because her new dress does not look good. What must she use to remove her finger’s old nail polish?

Acetone

400

What is the molar mass of oxygen gas (O2)?

32 g/mol

400

The correct shorthand configuration of the element Iron.

[Ar]3d6 4s2

500

 It refers to the distribution of electrons in the different sublevels or orbital as well as in the main energy levels.

Electron configuration

500

What type of bond will have the highest electrical and thermal conductivity?

Metallic Bond

500

What kind of alcohol is present in alcoholic beverages?

Ethanol

500

Ethene is a natural gas produced in plants, which acts as a natural ripening agent of fruits. What organic compound has the same ability to ripen fruits?  

Acetylene

500

The highest occupied s and p sublevels are completely filled by what type of element?

Noble gas