2. anything that occupies space and has
mass.
Macroscopic
Microscopic
Particulate
3. Color of a liquid Flammability of
alcohol
Odor of a gas
Density of gold
Reactivity with HCl
Melting point of sulfur
Boiling point of water
Volume of a metal
Hardness of diamond sphere
4. Can be determined without changing the
nature of the substance (color, odor,
physical state, density, hardness, melting
point and boiling point)
5. Describes the ability of a substance to
participate in chemical reactions (reactivity
with oxygen, reactivity with acids,
flammability)
6. Donot depend o the amount of the sample
being examined
Depend on the quantity of the sample
7. Odor Hardness
Color Volume
Weight Area
Mass Thickness
Density Freezing point
8.
9.
10.
11.
12. Has definite shape and definite volume
Rigid
Molecules are held tightly together
Molecules can “wiggle” or vibrate only very
slightly
13.
14. Distinct
volume independent of its
container
No specific shape
Molecules slide over each other
Pours easily
15.
16. No fixed volume or shape
Moleculesare very far apart and are
moving at high speeds
Moleculescolliding repeatedly with each
other and with the walls of the container
21. Highly ionized state
positively charged ions
Free negatively charged electrons
99% of the matter in the universe
22. BOSE-EINSTEIN CONDENSATE (BEC)
Predicted in 1924 by Albert Einstein, who
built on the work of Styendra Bose
Condensation occurs when individual
atoms meld into a “superatom” behaving
as a single entity at just a few hundred
billionths of a degree above absolute zero
23.
24.
25. Chemical Initial state Final state Physical or
System Chemical
Change?
26. PHYSICAL Change
Changes that alter the physical form of
matter without changing its chemical
identity.
ALL changes of state are physical changes
27. CHEMICAL Change
Occurswhen the chemical identity of a
substance is destroyed and a new
substance is formed.
Chemical reactions
28. Indicators of Chemical change/reaction
Color changes
Odor changes
Production of gas
Production of solid or precipitate
29. Physical and Chemical Changes and Properties
Chemical Physical
Changes Old substances New form of old
destroyed substance
New substances No new substance
formed formed
Properties Properties defined Description by
by types of senses
chemical changes
possible Measurable
properties
34. Has its own set of chemical and physical
properties
Cannot be separated into parts by physical
means
Has a definite, fixed composition that does
not vary from one sample to another
35. Consists of two or more chemicals
Properties depend on the substances on it
Compositions can vary
36. Definedby its atomic number
Cannot be decomposed into simpler
substances
Atomic Number - the number
of protons in an unreacted
atom
Mass Number - the number of
protons and neutrons together
37.
38. Hydrogen H 63.0%
Oxygen O 25.5%
Carbon C 9.45%
Nitrogen N 1.35%
Calcium Ca
Phosphorus P
Chlorine Cl
Sulfur S 0.7%
Sodium Na
Potassium K
Magnesium Mg
39. a substance made of more than one type
of atom
Composed of 2 or more elements
Atoms combined in fixed proportions
Can be decomposed into two or more
other substances by chemical change
40. Turnblue litmus to red
React with many metals
React with bases
41. An acid can be defined as a substance
that yields hydrogen ions (H+) when
dissolved in water.
HCl
• Pure substance, hydrogen chloride
• Dissolved in water (H+ Cl-), hydrochloric acid
Anoxoacid is an acid that contains
hydrogen, oxygen, and another element.
42. Cause color changes in plant dyes.
React with certain metals to produce
hydrogen gas.
2HCl (aq) + Mg (s) MgCl2 (aq) + H2 (g)
Reactwith carbonates and bicarbonates to
produce carbon dioxide gas
2HCl (aq) + CaCO3 (s) CaCl2 (aq) + CO2 (g) + H2O (l)
Aqueous acid solutions conduct electricity.
47. A base can be defined as a substance that
yields hydroxide ions (OH-) when dissolved
in water.
NaOH sodium hydroxide
KOH potassium hydroxide
Ba(OH)2 barium hydroxide
48. A salt, is defined as the product formed
from the neutralization reaction of acids
and bases. Salts are ionic compounds
composed of cations (positively charged
ions) and anions (negative ions) so that
the product is electrically neutral (without a
net charge)
51. Wala akong boses
Kaya please, konting katahimikan at pag-
itindi ang aking hiling
Salamat,
Ma’am Pie
52. 1. Identify the physical state of the following:
a) Helium in a toy balloon
b) vitamin tablets in a bottle
c) mercury in a thermometer
53. 2. Identify the type of property in the
following statements:
a. Yellow-green chlorine gas attacks silvery
sodium metal to form white crystals of
sodium chloride.
b. A magnet separates the mixture of black
iron shavings and white sand.
54. 3. State which type of change occurs in the
following statements:
a. Passing an electric current through
molten magnesium chloride yields molten
magnesium and gaseous chlorine.
b. The iron in discarded automobiles forms
reddish brown, crumbly rust.
55. c. Chopping a log
d. Burning a log
e. Toasting a slice of bread
56. 4. What is the key difference between an
element and a compound?
5. List two differences between a compound
and a mixture.
6. Make a concept of the Classification of
Matter.
57. HETEROGENEOUS
Varies in composition and or properties
from one part of the mixture to another
HOMOGENEOUS
Has the same/uniform composition and
properties throughout
60. SUSPENSION
>1000 nm
Particles are more or
less evenly dispersed
throughout a liquid or
gas
Different parts
separate over time
61.
62. SOLUTION
0.2-2.0 nm
A homogeneous mixture of two or more
substances uniformly dispersed throughout
a single phase
63. Gas Liquid Solid
Gas Oxygen and The odor of a
other gases in Water vapor in solid --
nitrogen (air) air (humidity) molecules of
that solid being
dissolved in the
air
Liquid Carbon dioxide Ethanol Sucrose (table
in water (common sugar) in water;
(carbonated alcohol) in sodium chloride
water) water; various (table salt) in
hydrocarbons in water
each other
(petroleum) *
Solid Hydrogen Water in Steel, Brass,
dissolved to activated other metal
palladium charcoal alloys
64. COLLOID
2.0-1000 nm
Consists of tiny particles that are
suspended in a liquid, solid, or gas
Stable heterogeneous mixtures
Exhibits Tyndall effect
65.
66. Decantation
• separates liquids from solids that have settled
Evaporation
• Separates the solid (residue) from the liquid
(filtrate) parts of the mixture