Chemistry - Unit 5 Ionic Compounds

All About Electrons

500

How many valence electrons does nitrogen have?

5

500

What is the correct "charge" for an Oxygen ion?

- 2

500

How many valence electrons does Calcium have?

2

500

Electrons located in the outside electron shell of an atom are known as ______ electrons.

valence

500

A fundamental force of nature that exists between two or more electrically charged objects is called the ______.

electrostatic force

Compound Type and Formulas

500

What is the chemical formula for sodium chloride?

NaCl

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What is the formal chemical name of the polyatomic ion NH₃, which is extremely common in cleaning supplies?

ammonia

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What would be the correct name for the following chemical: CaCl₂

Calcium choloride

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Neutral compounds that are made of two or more atoms and held together by ionic bonds are called _______ compounds.

ionic

500

What is the correct chemical formula for Magnesium chloride?

MgCl₂

Misc. Unit 5 Questions

500

A positively charged ion is referred to as a(n) ______ ion.

cation

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A measure of an atom's ability to attract electron pairs is referred to as ________.

electronegativity

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A negatively charged ion is attracted to and will bond with ____.

positively charged ion

500

What drawing technique uses chemical symbols and dots to represent individual ions or molecules?

Lewis Dot Structures

500

In the "Nick the Camel" mnemonic device, what tells you the NUMBER OF OXYGEN ATOMS a referenced polyatomic ion would have?

(consonants, vowels, spaces, letter "n"s)

consonants

More Misc. Unit 5 Questions

500

The prefix "poly" in polyatomic ions means what?

multple/many

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Any negatively charged ion is referred to as a(n) _____.

anion

500

When naming a compound and writing the formula for it, which comes first the cation or anion?

cation

500

What is the charge of a Hydrogen ion?

+ 1

500

Ionic bonding usually takes place between ________.

(metals, nonmetals, one of each...)

one metal and one nonmetal

Covalent Bonding

500

A covalent bond is the result of two atoms _______ one or more electron pairs.

sharing

500

A type of covalent bond where the electron pair IS NOT shared equally is referred to as _______.

polar

500

What is the correct name of the following covalent compound: CO₂

Carbon dioxide

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In the word "covalent" the VALENT part stands for _____ electrons.

valence

500

Covalent bonding usually takes place between ______.

(metals, nonmetals, one of each....)

two nonmetals