Chemical Formulas
The number after a chemical symbol that describes how many atoms of each element are in each molecule.
Subscript
What determines how an atom bonds with other atoms?
Valence electrons
These molecules form NONPOLAR covalent bonds.
Diatomic molecules
When an atom loses or gains electron(s), it forms an:
Ion
Which bonds occurs between two nonmetals?
Covalent
The prefix for 6:
What does the word octet mean?
How many covalent bonds are found in C2H6
8 single covalent bonds
In ionic bonds, electrons are ___________
Transferred/Stolen
The 'electron greedy' atom in water.
Oxygen
C6H12O6 describes which two chemical compounds?
Glucose and Fructose
Noble gases are said to be :
Inert
Covalent bonds form compounds that usually have _____ melting and boiling points.
Low
Ionic compounds are _______ at 25o C.
How many atoms are in C17H21NO4?
43
Dihydrogen monoxide is more commonly known as:
Water, H2O
Which element's name is written first in an ionic compound?
The metal
At room temperature, what forms do covalent compounds assume?
Solids, liquids, or gases.
When do ionic compounds conduct electricity?`
When they are dissolved in water.
This noble gas has a name similar to a fictional radioactive substance that is the only thing capable of hurting or weakening the otherwise invulnerable superhero Superman.
Krypton
Write the chemical formula for Dichlorine Heptoxide
Cl2O7
What elements satisfy the octet rule by only having 2 valence electrons in their first energy level?
What does the chemical symbol in the electron-dot diagram represent?
Nucleus and all the filled inner energy levels of the atom.
Name an ionic compound that is not NaCl.
MgCl2, KCl, LiCl, MgO...
Explain why CaCl₂ has two chlorine atoms for every calcium atom.
Calcium has a +2 charge and each chlorine has –1, so two chlorines are needed to balance the +2 charge.