Chemical Bonding
What is a chemical bond?
A durable electrostatic attraction that forms between atoms.
According to the Octet Rule, atoms are most stable with how many electrons in their outermost energy level?
8 Electrons
How many significant figures are in 0.004506?
4 significant figures.
Write the electron configuration for nitrogen.
1s² 2s² 2p³
What is the process called when energy is applied to a gas and it turns into a plasma?
Ionization
Elements with more than how many valence electrons tend to gain electrons?
4
What group number includes the Alkali Metals.
Group 1
Convert 45,600,000 into scientific notation.
4.56 × 10⁷
Draw the Lewis Dot Structure for carbon.
C with 4 dots
The type of bond that occurs between two or more metal ions.
Metallic Bond
What type of bond occurs when electrons are unequally shared?
Polar covalent bond.
What is the name of Group 17?
Halogens
Perform the calculation below and report the correct number of significant figures.
253.61 + 16.386 = _______
270.00
What do orbital blocks on the periodic table represent?
The shape and energy levels of electron clouds.
Which type of bond is formed when the electronegativity difference is greater than 1.7?
Ionic bonds
Which law suggests natural systems tend toward minimum energy?
The Second Law of Thermodynamics.
Which group on the periodic table is known for being non-reactive and contains gases?
Group 18 (Noble Gases).
13.26 grams to milligrams.
13,260 mg
How many valence electrons does an element in the s-block typically have?
1 or 2
Which type of bonds exist on a continuous spectrum of polarities?
Covalent bonds
Why do noble gases have the most stable electron configurations?
They have full outer electron shells.
What do periods and groups on the periodic table represent?
Periods represent energy levels, and groups indicate similar chemical properties.
Convert 175 inches to meters.
1 inch = 2.54 cm
4.445 cm
Why do elements form chemical bonds?
To achieve stability by fulfilling the octet rule.
This property makes metallic bonds different than other types of bonds.
Delocalized electrons