Atomic number for AL
15
The property of an oxygen atom in water causes it to pull electrons, creating partial charges.
Electronegativity
This group is found in carboxylic acids and has a carbon atom double bonded to an oxygen atom.
carbonyl group
A ___ presents the identity of an element and has a positive charge.
Proton
A ___ is a chemical bond, when atoms share electrons to achieve a stable outer shell.
Covalent bond
Atomic number for N
7
A type of attraction that forms between a partially positive hydrogen and a partially negative oxygen, nitrogen, or fluorine.
Hydrogen bonds
Which functional group acts as a base by gaining a hydrogen ion making it positively charged?
Amino group
Atoms of the same element, that have different numbers of neutrons are called:
Isotopes
When ___ is added to table salt, it is necessary for an individual’s healthy thyroid function.
Iodine
Atomic number for AU
79
When a molecule like water has an uneven distribution of electron density and creates a partial charge.
Polarity
Which non-polar group as R-CH3 is considered hydrophobic?
Methyl group
The number of these negatively charged particles equals the number of protons (in a neutral atom)
Electrons
A type of bond that occurs when atoms share electrons unequally.
Polar covalent bond
Atomic number for Mg
12
The number of hydrogen bonds that each water molecule can form, due to its bent shape and lone pairs on oxygen.
4 bonds
A type of functional groups that can interact with water due to their polarity or charge.
Hydrophilic groups
Name the three subatomic particles which make up an atom.
Protons, Neutrons and Electrons
___ is substances that are made of specific elements in fixed ratios.
A compound
Atomic number for K
19
Name the 2 types of interactions that break apart salt crystal and surround ions when NaCl dissolves in water.
hydrogen bonds and ion-dipole interactions
Carbons and Hydrogens bond in the methyl group is considered non-polar because of a similar shared characteristic.
Similar electronegativity
Electrons orbit the nucleus in a ___ type arrangement.
spherical cloud
When you move from hydrogen to oxygen in the periodic table, the ___ increases.
The number of electrons