1.2 - Atoms And Molecular Bonds

Question 1

Compare and contrast:
isotope vs. ion vs. atom

Answer 1

-Isotope: even # of protons and electrons, different # of neutrons
-Ion: even # of protons and neutrons, different # of electrons (charged)
-Atoms: even # of protons, electrons, and neutrons

Question 2

Compare and contrast:
polar covalent vs. nonpolar covalent bonds

Answer 2

-Polar covalent: electrons are shared equally
-Nonpolar covalent: electrons are shared unequally

Question 3

Identify bond types found in: -water (H2O)
-Table salt (NaCl)
-Olive oil

Answer 3

-Water: hydrogen bonds
-Table salt: ionic bonds
-Olive oil: nonpolar covalent bonds

Question 4

Explain attractive forces between atoms
*include the terms: atom, covalent bond, molecule, electron, proton, attraction

Answer 4

-Covalent bond: 2 atoms share 1 or more pairs of electrons (ex: H2, H2O, CO2)
-Ionic bond: 1 atom donates an electron to another and creates charged ions (ex: NaCl)