Ionic Compounds (Binary with Main Group Metals)
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What does the subscript in a chemical formula indicate about the number of ions present in an ionic compound?
Back
The subscript indicates the number of ions of that element present in the compound. For example, in MgBr₂, the subscript '2' indicates there are 2 bromide ions for every 1 magnesium ion.
2.
FLASHCARD QUESTION
Front
What is the process called when an atom gains electrons to become an ion?
Back
The process is called reduction.
3.
FLASHCARD QUESTION
Front
What is the oxidation number of barium in ionic compounds?
Back
The oxidation number of barium in ionic compounds is +2.
4.
FLASHCARD QUESTION
Front
What is the name of the ionic compound with the formula Ba₃P₂?
Back
The name of the compound is barium phosphide.
5.
FLASHCARD QUESTION
Front
What is the name of the ionic compound with the formula Li₃N?
Back
The name of the compound is lithium nitride.
6.
FLASHCARD QUESTION
Front
How do you determine the charge of a main group metal in an ionic compound?
Back
The charge of a main group metal can be determined by its group number in the periodic table. For example, elements in Group 2 have a charge of +2.
7.
FLASHCARD QUESTION
Front
What is the general formula for binary ionic compounds?
Back
The general formula for binary ionic compounds is AxBy, where A is a cation and B is an anion, and x and y are the subscripts that balance the charges.
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