Question 1
Identification: Radiation emitted by a body that absorbed it first
Answer: Blackbody Radiation
Question 2
Identification: Compactness of the arrangement of the molecules of a material
Answer: Density
Question 3
Identification: Bond characterized by the sharing of electrons between atoms
Answer: Covalent Bond
Question 4
Identification: Particles smaller than a proton with strong nuclear force holding the quarks together
Answer: Gluons
Question 5
Covalent bond with unequal sharing of electrons
Answer: Polar
Question 6
Identification: Repelled the directed alpha particles in the gold foil experiment
Answer: Protons
Question 7
Identification: Reaction in giant stars for the fusion of hydrogen to form helium
Answer: CNO Cycle
Question 8
Identification: It refers to tyhe speed of a chemical process
Answer: Reaction Rate
Question 9
Substance that can turn lead to gold
Select one:
a. Jack-o-Lantern
b. Philosopher's Stone
c. Witchlight
d. Will-o-Wisp
Question 10
Identification: Atoms of the same element but with various atomic weights
Answer: Isotope
Question 11
Identification: Component of chemical reaction present at its start
Answer: Reactants
Question 12
Solid substance that settles when a liquid solution is left still for a long amount of time?
Answer: Precipitate
Question 13
Identification: Compound formed by positive and negative atoms
Answer: Ionic compound
Question 14
Factor in reaction rate related to the amount of reactants
Select one:
a. Concentration
b. No correct answer
c. Temperature
d. Both Concentration and Temperature
Question 15
Identification: Star with strong gravity allowing the formation of more oxygen and magnesium
Answer: Supergiant
Question 16
Identification: Compound formed by electron sharing
Answer: Covalent
Question 17
Covalent bond between identical atoms
Answer: Nonpolar
Question 18
Property of a substance that is observable without changing it
Answer: Physical property
Question 19
Identification: Nuclear particles that do not contribute to its charge
Answer: Neutron
Question 20
Identification: Term used by scientists referring to the very small but detectable amount of heat residue of the Big Bang
Answer: Background Radiation
Question 21
Covalent bonding resulting from unequal sharing of electrons between the atoms
Select one:
a. Nonpolar covalent bonding
b. No correct answer
c. Both polar and nonpolar covalent bonding
d. Polar covalent bonding
Question 22
Identification: Properties observable using your eyes
Answer: Physical Property
Question 23
Identification: Catalysts in digestion of food
Answer: enzyme
Question 24
Force between the molecules of a compound
Answer: Intermolecular Force
Question 25
Bond where electrons are shared congruently throughout the molecule
Select one:
a. Polar covalent bonding
b. No correct answer
c. Both polar and nonpolar covalent bonding
d. Nonpolar covalent bonding
Question 26
Age of the universe (in billions of years) according to the most widely accepted cosmological theory of its existence
Answer: 13.7
Question 27
Identification: It refers to the cloud where stars are born
Answer: Nebula
Question 28
Identification: Property of material to emit charged particles
Answer: Radioactivity
Question 29
Identification: Reaction rate factor related to the kinetic energy of the reactant molecules
Answer: Temperature
Question 30
The Gold foil experiment led to the discovery of this atomic part
Select one:
a. Electron
b. Nucleus
c. Proton
d. No correct answer
Question 31
Molecular compound where there is a slight difference in the charge between its opposite sides
Select one:
a. Polar
b. Both Polar and Nonpolar molecular compound
c. Nonpolar
Question 32
Identification: Energy responsible different reaction rates
Answer: Activation Energy
Question 33
Identification: Compounds that are dissolves easily in water
Answer: Ionic compounds
Question 34
Fill in the blank: In a molecule of water, the atom more visited by the shared electrons would be
Answer: Oxygen
Question 35
Identification: The more positive atom in a molecule of dihydrogen oxide
Answer: Hydrogen
Question 36
Identification: Covalent bonding where electrons are shared equally between the atoms
Answer: Nonpolar
Question 37
Identification: Reaction that fuses hydrogen to form helium in dwarf stars
Answer: PP Chain
Question 38
Identification: Substance that cannot be simplified anymore
Answer: Element
Question 39
Identification: This also means covalent compounds
Answer: Molecular compounds
Question 40
Identification: Change resulting to new material that is entirely different from the reactants
Select one:
a. No correct answer
b. Physical change
c. Chemical change
d. Both Physical and Chemical change
Question 41
Behavior of the universe explaining the Big Bang Theory
Select one:
a. no correct answer
b. shrinking
c. expanding
d. stays constant in size
Question 42
Identification: Proton component that binds the other components together
Answer: Gluon
Question 43
Change in which the product is the same as the reactants
Select one:
a. No correct answer
b. Both physical and chemical change
c. Physical change
d. Chemical change
Question 44
Identification: Substance that hastens chemical reactions
Answer: Catalyst
Question 45
Identification: It is the ability of a substance to chemically combine with other compounds
Answer: Reactivity
Question 46
Identification: Material property making it capable of being hammered into thin sheets
Answer: Malleability
Question 47
Identification: Smallest possible particle of an element containing all of the properties of the element
Answer: Atom
Question 48
Identification: Lightest particles in an atom
Answer: Electrons
Question 49
Covalent bond that may or may not exist between two different atoms
Answer: Polar
Question 50
Negatively charged particles in atoms
Select one:
a. Protons
b. Both Protons and Electrons
c. No correct answer
d. Electrons