Give & Take
What type of bond forms when one atom transfers electrons to another?
Ionic Bond
What type of bond forms when atoms share electrons?
Covalent Bond
What term describes freely moving electrons in metallic bonds?
Sea of delocalized electrons
Which bond type results in the highest melting points due to strong electrostatic forces?
Ionic Bonding
Which element is the most electronegative?
Fluorine
What property measures an atom’s ability to attract electrons in an ionic bond?
Electronegativity
What is the term for a covalent bond where electrons are shared equally?
Non-polar covalent bond
What property allows metals to be hammered into sheets?
Malleability
Which type of bonding can result in substances that are brittle in solid form but conductive when molten?
Ionic Bonding
Which metal, when finely powdered, can spontaneously ignite in air due to its extreme reactivity?
Magnesium
Which type of elements typically form cations in ionic bonds?
Metals
What type of covalent bond involves one atom donating both electrons?
Coordinate covalent (dative) bond
Why do metals conduct electricity?
Mobile/free (charge carrying) electrons
Which bonding type allows for both high thermal conductivity and variable melting points depending on electron density?
Metallic
Which type of bond is responsible for the stickiness of gecko feet, allowing them to walk on walls?
Van der Waals forces
What law explains the attraction between oppositely charged ions?
Coulomb's Law
How many electrons are shared in a triple bond?
Six
Why do metals with more valence electrons have higher melting points?
Stronger metallic bonding
Why do covalent compounds generally have lower boiling points than ionic compounds?
Weak intermolecular forces (e.g., van der Waals, dipole-dipole, hydrogen bonds) require less energy to overcome.
Which metal is used in shape-memory alloys?
Nitinol-Titanium (Nitinol)
Which type of structure do ionic compounds form?
Ionic/Crystal Lattice
What concept explains why some molecules have multiple valid structures?
Resonance
What property of metals increases with temperature due to electron scattering?
Electrical Resistance
Which bonding type explains why diamonds are the hardest known natural substance?
Strong directional covalent nonds (Giant covalent structure)
Which strong, lightweight metal is used in aerospace applications?
Titanium