WorksheetsPRPM111 M1 (MAM JEL VER.)
Total questions: 58
Worksheet time: 43mins
the science that deals with the composition of matter and changes in composition it may undergo either spontaneously or because of intentionally established environmental conditions.
(a)
Inorganic Chemistry
Organic Chemistry
Inorganic Chemistry
Organic Chemistry
Physical Change, All choices are correct, except one:
Changes of state
Separation of a mixture
Physical deformation
Making & dissolving solutions
Food being cooked, digested, or rotting
Chemical Change, All choices are correct, except one:
Food being cooked, digested, or rotting
All forms of combustion
Reactions that are performed in a lab
Making & dissolving solutions
black spots on banana
The characteristics that enable us to distinguish one substance from another
Element
Properties
Variable
Compound
It is a characteristic of matter that is not associated with a change in its chemical composition.
(a)
Physical Property: mass, weight, and volume
Extensive properties
Intensive properties
Physical Property: color, melting point, boiling point, electrical conductivity, and physical state at a given temperature
Extensive properties
Intensive properties
It is a combination of two or more atoms
(a)
Smallest particle of matter which can enter into chemical combination.
Smallest portion of an element that retains all the properties of the element.
(a)
Joseph John Thomson, invent:
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
Eugen Goldstein, invent:
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
Ernest Rutherford, invent:
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
Robert Millikan, invent:
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
James Chadwick, invent:
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
related with:
Cathode Ray Tube: Discovery of electron
Canal Ray Experiment: Discovery of Proton
Gold Foil: mass of an atom was concentrated at its center.
Oil drop experiment: Determine the charged of electrons
proton-electron pair: Discovery of neutron
Atoms consist of very small, very dense positively charged nuclei surrounded by clouds of electrons at relatively large distances from the nuclei.
(a)
A region of space around the nucleus of an atom in which the presence of the moving electron is statistically most probable
(a)
Refers to the positive charge on the nucleus of an atom.
(a)
1?
Mass Number (A)
Atomic Number (Z)
2?
Mass Number (A)
Atomic Number (Z)
Atomic Mass or Mass Number: Represents the total number of protons and neutrons in the nucleus.
M= p + n
M= p - n
M= p * n
Find the mass number of sodium if its atomic number is 11 and it contains 12 neutrons in its nucleus.
23
1
25
26
Looking up with Co
• Look for the number of neutron
• Given:
M = 59 AN = 27
32
86
33
Gave the early quantitative description of electronic structure and showed a planetary picture of an atom
(a)
Quantum theory or wave theory: relates that an electron is not a particulate but a quantity
(a)
SELECT 4 Quantum Numbers: Set the probability limits within which an electron can be found.
Principal
Azimuthal
Magnetic
Spin
Molecular
Relative positions of the energy levels, their distance for the nucleus and the possibility of discontinuities or points of zero probability in the levels.
(a)
describes the shape of the orbital or the electron cloud.
(a)
describes the spatial orientation of the orbital.
(a)
specifies the direction of spin of the electron about its own axis as the electron moves around the nucleus.
(a)
Principal
n = 1,2,3,4….. or K,L,M,N,O……
l = 0,1,2,3, or s, p, d, f
m = 0, +1, -1…
S = + ½ or - ½
Azimuthal
n = 1,2,3,4….. or K,L,M,N,O……
l = 0,1,2,3, or s, p, d, f
m = 0, +1, -1…
S = + ½ or - ½
Magnetic
n = 1,2,3,4….. or K,L,M,N,O……
l = 0,1,2,3, or s, p, d, f
m = 0, +1, -1…
S = + ½ or - ½
Spin
n = 1,2,3,4….. or K,L,M,N,O……
l = 0,1,2,3, or s, p, d, f
m = 0, +1, -1…
S = + ½ or - ½
States that in any atom, no two electrons may be described by the same set of values for the four quantum numbers
(a)
Is the progressive building up of electronic configuration
(a)
Electron enter each orbital of a given type singly and with identical spins before any pairing of electron of opposite spin occurs within these orbitals.
(a)
States that it is not possible to fix simultaneously the momentum and the position of an electron.
Heisenberg Uncertainty Principle
Heisenberg Certainty Principle
Heisenberg Principle
State that the maximum number of electrons that can be present in the outermost level is eight which represents a stable configuration
(a)
Is the electron in the outermost shell of an atom responsible for its chemical behavior
(a)
It is the process of losing one or more electrons by chemical or physical means.
• Cation & Anion
(a)
Anyone of the more than 2500 species of atoms characterized by the number of protons and neutrons in the nucleus.
(a)
These are nuclides or elements having the same number of protons but different number of neutrons
(a)
Nuclides having the same mass under but different atomic numbers.
(a)
Nuclides with the same number of neutrons.
(a)
Different forms of the same elements existing in the same physical state.
(a)
Group number indicates the number of electrons in the outermost energy level (_________) while period corresponds to the number of ___________ in the atom.
(valence electrons), energy level
(valence electrons), subatomic level
Is divided into 8A’s and 8Bs sub-groups and there are 7 periods.
Periodic Table
Multiplication Table
Atomic Table
States that the properties of elements are periodic functions of their atomic numbers.
(a)
Electronegativity: All are true, EXCEPT:
Is the attraction of a neutral atom for electrons.
It increases from left to right and from bottom to top of the elements in the periodic table.
Is the ability to lose electrons
Is the ability to lose electrons
(a)
