Electronic Structure
Who proposed the quantum mechanical model of the atom, which states that matter has wave-like properties?
Erwin Schrödinger
Which particle plays the most active role in chemical bonding?
Valence Electron
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
What is the SI unit for the measurement of the number of particles in a substance?
Mole
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
Which principle states that electrons occupying the same orbital must have an opposite spin ↑↓?
Pauli’s Exclusion Principle
If the electron configuration of carbon is 1s22s22p2, then how many dots surrounds the Carbon in the Lewis structure?
4
How many types of bonds are there in a double-bond hydrocarbon?
2
What unit is molar mass measured in?
grams/mole
It refers to the ability of an atom in a molecule to attract shared electrons toward itself.
Electronegativity
Which subatomic particle is present in the nucleus of an atom based on Rutherford’s model of an atom?
proton and neutron
Type of bond when a metallic element like sodium transfers an electron to a non-metallic element like chlorine.
Ionic Bond
It is the simplest hydrocarbon.
CH4
What is the percent composition of carbon in table sugar (C12H22O11)?
42.11%
The term given to an atom that carry a positive or negative charge
Ion
Which is the correct electron configuration of an element Sodium (Na+)?
1s2 2s2 2p6
What type of covalent bond is formed when electrons are not equally shared?
Polar covalent bond
How many types of bonds are there in a triple-bond hydrocarbon?
3
What is the total mass of 1 mole of sodium chloride?
58.44 g
The correct shorthand configuration of the element Iron.
[Ar]3d6 4s2
It refers to the distribution of electrons in the different sublevels or orbital as well as in the main energy levels.
Electron configuration
What type of bond formed between Hydrogen and Carbon
Covalent Bond
What kind of alcohol is present in alcoholic beverages?
Ethanol
Ethene is a natural gas produced in plants, which acts as a natural ripening agent for fruits. What organic compound has the same ability to ripen fruits?
Acetylene
The highest occupied s and p sublevels are completely filled by what type of element?
Noble gas