Chemistry-Chapter 2 section 1-4

Chemical Formula

100

What is the chemical formula for Carbon tetrachloride?

CCl₄

200

What is a chemical formula?

What is an abbreviation used by chemists to represent a chemical compound

300

What is the chemical formula for Dinitrogen pentoxide?

N₂O₅

400

What is the chemical formula for glucose?

C₆H₁₂O₆

500

How is the chemical formula of an ionic compound found?

From the charges on the ions present in the compound

Chemical Bonds

100

What is a chemical bond?

What is the force of attraction that holds atoms or ions together

200

To form compounds, elements must do what in ratios?

Elements must combine

300

What is the name of two or more elements?

What is a compound

400

What type of bond does NH₄⁺   have?

A coordinate covalent bond

500

explain Ionic vs Molecular compound

Ionic compounds contain ions of opposite charge held together by the force of attraction between the charges

Molecular compounds contain atoms held together by shared electrons

All About Ions

100

What is a negatively charged ion called?

What is an anion

200

What is a positively charged ion called?

What is a cation

300

What is an ion with more than one atom called?

What is a Polyatomic atom

400

What is the name for the polyatomic ion NH₄⁺

What is ammonium

500

When one or more electrons are transferred from a metal to a nonmetal, a cation and anion are formed. How does the electrostatic attraction between their positive and negative charges stay together?

Cations and anions are held together by an ionic bond

Metallic Bonding

100

What is an alloy?

What is a mixture of a metal and one or more other elements, including other metals or certain nonmetals

200

What is an alloy that contains same sized metal atoms 

What is a substitutional alloy

300

Define interstitial alloy

This alloy contains large and small size atoms of different elements

400

What are 2 properties of metal?

What is ductile, good conductors of electricity and heat, high density, high melting point, hard, strong etc...

500

What is a product of the magnitude of the charge and the distance between the centers of positive and negative charges?

What is a dipole

Covalent Bonds

100

What is covalent bond?

What is is a chemical bond that involves the sharing of electrons between two atoms

200

Cl-----N------Cl

         l

        Cl

What is shown in this diagram?

Name the structure

What is Covalent Bonding?

300

What is the structural formula for CO₂

What is O=C=O

400

What is a covalent bond formed as a result of the unequal sharing of electrons?

A polar covalent bond

500

What is the molecular shape of Covalent bonds?

What is directional