Naming Ionic Compounds
An Na ion has a charge of +1 and an O ion has a charge of -2. How many Na ions does one O ion need to balance charges?
2 (two)
An ion of calcium has a +2 charge, and an ion of chlorine has a -1 charge. How many chlorine ions are needed to create a stable ionic compound with an ion of calcium?
2 (two)
For every O ion, two Na ions are needed to balance charges. Which ratio represents the relationship between Na and O?
2 Na:1 O
Use the drop-down menus to order the steps for writing chemical names from chemical formulas.
3, 2, 1
Use the drop-down menus to order the steps for writing chemical formulas
3, 2, 1, 5, 4
Explain when a balance of charges occurs in an ionic compound.
A balance of charges occurs when the number of positive charges is equal to the number of negative charges, and their sum is equal to zero.
Which statement describes ionic compounds?
Ionic Compounds are neutral
Sarah is asked to sort out the list of ions and ionic compounds. How can Sarah differentiate between the ions and ionic compounds?
Ions have a positive or negative charge, but an ionic compound's overall charge is zero.
The chemical formula for lithium phosphide is Li3P. Which best describes this ionic compound?
Lithium ions have 1 positive charge, and phosphorus ions have 3 negative charges.
The ratio of Na to O is 2:1. What is the chemical formula for this ionic compound?
Na2O
The charges for four ions are sodium (Na) +1, calcium (Ca) +2, fluorine (F) -1, and sulfur (S) -2. Which would be an ionic bond that could form from any of these ions?
Na2S
A list of different ions are below. Which combinations of ions will result in an ionic bond? Check all that apply. Na+ Li+ O2- Cl- Be2+ S2- F-
NaF LiCl BeS BeF2
Potassium (K) has a charge of +1, and sulfur has a charge of -2. Which best describes the compound they make?
The chemical formula is K2S, and the name is potassium sulfide.
Order the Events to describe ionic compound formation
Transfer of Electrons from metal to nonmetal Formation of Ions Attraction of oppositely charged ions
A chemical _____ is a representation of a compound that gives the number of atoms and types of atoms in that compound.
formula
Which are rules for writing chemical formulas? Check all that apply.
identify the positive ion and charge balance the charges identify the negative ion and charge
The chemical formula for an ionic compound made of potassium and chlorine is KCl. What is its chemical name?
potassium chloride
Sodium and phosphorus combine to form Na3P. The name of this compound is
sodium phosphide
In a chemical formula, the number of each type of ion is represented by a _______ at the bottom right side of a chemical symbol.
subscript
When looking at the chemical symbol, the charge of the ion is displayed as the____
superscript
