Which of the following elements is least likely to form an ionic bond with sodium?
a. sulfur
b. chlorine
c. argon
c. Argon
Which type of bonds require the use of prefixes during naming?
Covalent
When two separate elements combine into a new compound, the reaction is a ______ reaction.
Synthesis
Each substance to the RIGHT of the yield arrow in a chemical equation is called a _____.
products
What do the dots on Lewis Structures represent?
valence electrons
A chemical bond that occurs when atoms share electrons?
Covalent Bond
What is the correct chemical formula for calcium fluoride?
AX + BY --> AY + BX
is what type of reaction?
Double replacement
A(n) _______ chemical equation has the same number of atoms of each element on both sides of the yield.
balanced
Which of the following elements is the most stable and nonreactive?
a. carbon
b. neon
c. potassium
b. Neon
To become stable, Sodium (Na) will _____ electrons and become a ____ ion.
lose, positive
What is the name of the ionic compound made up of lithium and chlorine?
Lithium chloride
BX --> B + X
is what type of reaction?
decomposition
To balance a chemical equation, you are only allowed to add/adjust _____.
coefficients
What is the oxidation number for Sulfur?
2-
What type of chemical bond occurs when electrons are transferred from one atom to another?
Ionic
What is the formula for phosphorus tetrasulfide?
PS4
2Na + HCl --> 2NaCl + H2
is what type of reaction?
single replacement
Provide the correct coefficients for the following reaction.
__ Fe + __ S2 --> __ Fe2S3
4, 3, 2
Anions have a ____ charge and cations have a _____ charge.
negative, positive
For the ionic compound NaCl, after Chlorine takes Sodium's valence electron, why do the two atoms stay together?
Mrs. Kelley will decide.
What is the correct name for N2O7?
dinitrogen heptoxide
Mg + Cl2 --> MgCl2
is what type of reaction?
synthesis
Provide the correct coefficients for the following reaction.
__ BaCl2 + __ Na3P --> __ Ba3P2 + __ NaCl
3, 2, 1, 6
Aluminum forms an ion with a charge of _____.
3+