PPT 1

Question 1

The study of macroscopic properties, atomic properties, and phenomena in chemical systems

Answer 1

Physical chemistry

Question 2

The study of chemicals containing carbon with hydrogen

Answer 2

Organic chemistry

Question 3

The study of chemicals that do not, in general, contain carbon

Answer 3

Inorganic chemistry

Question 4

The study of the composition of matter

Answer 4

Analytical chemistry

Question 5

The study of chemical processes that occur in living things

Answer 5

Biochemistry

Question 6

The study of chemical processes occurring in the environment

Answer 6

Environmental chemistry

Question 7

• The study of polymers, which are large molecules composed of repeating structural units called monomers
• Plastics, fibers, rubbers, adhesives, and biological macromolecules such as DNA and proteins

Answer 7

Polymer chemistry

Question 8

• Branch of chemistry that focuses on the unique properties and behavior of materials at the nanoscale
• 1 to 100 nanometers

Answer 8

Nanochemistry

Question 9

• Chemistry, as a science, is a ___ of a natural phenomenon
• Chemical information is based on ___ and ___
• Chemical knowledge is ___
• Chemical knowledge is ___

Answer 9

• Description
• Theories and laws
• Tentative
• Abstract

Question 10

• The quantity of material (traditional definition)
• Measure of an object’s ability to resist changes in its motion (new definition)
• The resistance to acceleration

Answer 10

Mass

Question 11

Three-dimensional space occupied by anything with mass, or is enclosed by a surface; has a definite boundary

Answer 11

Volume

Question 12

Pure Substances

A pure substance consisting of atoms with the same atomic number

Answer 12

Elemental substance

Question 13

Pure Substances

Two elements bound by a single strong
chemical bond

Answer 13

Binary compound substance

Question 14

Pure Substances

Elements bound by several chemical bonds of various polarity

Answer 14

Polyelemental compound

Question 15

Pure Chemical Substances

Three-dimensional network of covalent bonds, forming a continuous structure throughout the material

Answer 15

Network covalent material

Question 16

Pure Chemical Substances

Has the ability to conduct electricity, exhibit luster, and typically have high thermal conductivity

Answer 16

Metallic element

Question 17

Pure Chemical Substances

A homogeneous mixture of two or more elements, at least one of which is a metal, with enhanced properties compared to its individual components

Answer 17

Alloy

Question 18

Pure Chemical Substances

Substances composed of discrete molecules; molecules interact via IFAs

Answer 18

Molecular substance

Question 19

Pure Chemical Substances

A chemical compound composed of positively charged ions (cations) and negatively charged ions (anions) held together by ionic bonds

Answer 19

Simple ionic salt

Question 20

Pure Chemical Substances

___ salts have discrete molecular ions, while ___ salts involve coordination compounds with a central metal ion or atom and surrounding ligands

Answer 20

Molecular and complex salt

Question 21

Pure Chemical Substances

Long-chain molecules consisting of identical monomers (homopolymers) or different, but repeating monomers (heteropolymers)

Answer 21

Polymer

Question 22

Naturally occurring, inorganic solid substance with a specific chemical composition and an ordered atomic arrangement

Answer 22

Mineral

Question 23

Transient Entities

Are charged particles formed when an atom gains or loses electrons

Answer 23

Atomic ions

Question 24

Transient Entities

Highly reactive and unstable molecules or atoms with unpaired electrons

Answer 24

Free radicals

Question 25

# Transient Entities Atoms, ions, or molecules that have **absorbed energy and moved to a higher energy level than their ground state**

Answer 25

Excited state species

Question 26

They accept electrons

Answer 26

Non-metals

Question 27

They lose electrons

Answer 27

Metals

Question 28

# Pure Chemical Substances Mixtures in which particles are **mixed but NOT dissolved**; particles are **ALWAYS suspended**

Answer 28

Colloidal Suspension/ Colloid

Question 29

# Physical vs. Chemical property Properties which **show by itself**, without changing into or interacting with another substance; **perceived by the senses**

Answer 29

Physical properties

Question 30

Properties which show as it **changes into or interacts with other substances**

Answer 30

Chemical properties

Question 31

* **Unaffected by the amount of matter** present in any sample * Determined by the amount of substance present * Eg. density, temperature, color

Answer 31

Intensive properties of matter

Question 32

* Are affected by the amount of matter contained in a given sample * Eg. mass, volume, total energy

Answer 32

Extensive properties of matter

Question 33

Two factors that **affect the state** of a substance

Answer 33

1. Temperature 2. Pressure

Question 34

Inventor of barometer (measures atm pressure)

Answer 34

Evangelista **Torricelli**

Question 35

Sea level atmospheric pressure

Answer 35

760mm Hg

Question 36

Atm pressure decreases as altitute ___

Answer 36

Increases

Question 37

An electrically conducting medium in which there are roughly **equal numbers of positively and negatively charged particles**, produced when the atoms in a **gas become ionized**

Answer 37

Plasma

Question 38

An atom in **near absolute zero** when exposed to heat will undergo an **identity crisis**

Answer 38

Bose-Einstein Condensate (BEC)

Question 39

1 Kelvin to Celcius

Answer 39

273.15 °C

Question 40

* The smallest discrete unit of a phenomenon * “An amount” “how much?”

Answer 40

Quantum

Question 41

* Heat is absorbed by reactants to form products * Uphill

Answer 41

Endothermic reactions

Question 42

Heat is released

Answer 42

* Exothermic reactions * Downhill

Question 43

Formula for total energy of an object

Answer 43

Potential energy + kinetic energy

Question 44

Highly ordered to less ordered state

Answer 44

Endothermic

Question 45

Less ordered to more ordered state

Answer 45

Exothermic

Question 46

3 types of pure substances

Answer 46

1. Elemental substance 2. Binary compound substance 3. Polyelemental compound

Question 47

9 types of pure **chemical** substance

Answer 47

1. Network covalent material 2. Metallic element 3. Alloy 4. Molecular substance 5. Simple ionic salt 6. Molecular and complex salt 7. Polymer 8. Glass 9. Mineral

Question 48

4 transient entities

Answer 48

1. Atomic ions 2. Molecular and complex ions 3. Free radicals 4. Excited state species