Reviewer ni Aiza

Multiple Choice

Who discovered the neutron in 1932, as a previously unknown neutral particle produced along with 12C by the nuclear reaction between 96e and 4He?

• Dmitri Mendeleev

• James Chadwick

• Emes Rutherford

• Henry Moseley

Multiple Choice

Who successfully carried out a nuclear transmutation reaction a process of transforming one element of isotope into another element

• Omet Mendle

• James Chadwick

• Henry Moseley

• Emes Rutherford

Multiple Choice

An atom consists of sub-atomic particles. Which of the following has a negatively charged particle.

• Quarks

• Proton

• Electron

• Neutron

Multiple Choice

Which of the following is an Isotope of Hydrogen that consists of 1 proton and 1 neutron?

• Trilium

• Probium

• Deuterium

• Neutrium

Multiple Choice

Which element is the lightest and at the same time the most abundant in outer space?

• Iron

• Lithium

• Helium

• Hydrogen

Multiple Choice

Which of these stages of star releases large amount of energy?

• Protostar

• Red Giant

• Blackhole

• Supernova

Multiple Choice

What element was created through the bombardment of molybdenum with deuterons (heavy hydrogen, H12), by Emilio Segre and Carlo Perrier in 1937?

• Oxygen

• Uranium

• Helium

• Technetium

Multiple Choice

What element is produced through big bang nucleosynthesis and considered as the second abundant in the universe?

• Oxygen

• Helium

• Carbon

• Hydrogen

Multiple Choice

What device used to speed up the protons to overcome the repulsion between the protons and the target atomic nuclei by using magnetic and electronic fields?

• Particle Decelerator

• Particle Accelerator

• Spectroscopy

• Microscope

Multiple Choice

What element is formed during the fusion of two deuterium isotopes?

• Nitrogen

• Oxygen

• Lithium

• Helium

Multiple Choice

Which of the following refers to the information of elements in the center of the star?

• Neutron Capture

• Nuclear Fusion

• Stellar Nucleosynthesis

• Big Bang Nucleosynthesis

Multiple Choice

What do you call the process of adding neutrons to existing nuclei?

• Stellar Nucleosynthesis

• Big Bang Nucleosynthesis

• Nuclear Fusion

• Neutron Capture

Multiple Choice

What is the last element that produced during the process of stellar nucleosynthesis?

• Oxygen

• Carbon

• Hydrogen

• Iron

Multiple Choice

What do you call this process which happens in red giant star once they leave the stage of main sequence star? This is how three helium-4 are converted into carbon.

• Proton-Proton Chain

• Alpha Ladder Process

• Triple Alpha Process

• Neutron Capture

Multiple Choice

What is being formed from a nebula that due, to the gravity has pulled hydrogen gas together until its spin faster and faster and becomes ignite?

• Red Giant

• Nebula

• Super Nova

• Protostar

Multiple Choice

Hydrogen bonding occurs when hydrogen is bonded to N, O or F. which of the following has hydrogen bonding?

• Large gram formula mass

• High Density

• Hydrogen bonding

• lon-ion attractions

Multiple Choice

Which molecule would have this shape?

• CO2

• PC15

• BF3

• CH4

Multiple Choice

What is the property of water that allows it to stick to other water molecules?

• Capillary Action

• Cohesion

• Solubility

• Adhesion

Multiple Choice

Which molecule has a polar covalent bond?

• K-F

• F-F

• H-F

• Na-F

Multiple Choice

By using your electronegativity table. What bond would form between calcium and bromine?

• Non-Polar Covalent Bond

• Ionic Bond

• Polar Covalent Bond

• Metallic Bond

Multiple Choice

What probable shape is formed by four electron pairs in accordance with VESPR theory?

• Tetrahedral shape

• Bent shape

• Linear shape

• Trigonal planar shape

Multiple Choice

What is the molecular geometry of NH3?

• Linear Shape

• Bent Shape

• Trigonal planar shape

• Tetrahedral shape

Multiple Choice

What is the electronegativity difference of C-0?

• 1.0

• 0.5

• 0

• 1.5

Multiple Choice

Which of the following factors affects the polarity of a molecule?

(1) The shape of the molecule

(2) The presence of polar covalent bonds

(3) The presence of non-polar covalent bonds

• (1) and (2)

• (1) and (3)

• (2) and (3)

• (1) (2) and (3)

Multiple Choice

What type of chemical bond holds the atoms of water molecule together?

• Polar covalent bond

• Hydrogen bond

• Nonpolar covalent bond

• lonic bond

Multiple Choice

Which characteristic of water will allow a paper clip to remain floating on water when gently placed on top of the water?

• Capillary Action

• Surface Tension

• Cohesion

• Adhesion

Multiple Choice

Why does water have a high melting and boiling point?

• Strong dipole-dipole bonds between water molecules

• Asymmetrical shape of the polar bonds

• Dispersion forces which are present in all molecules

• Strong hydrogen bonds between water molecules

Multiple Choice

Hydrogen bonding occurs when hydrogen is bonded to N, O, or F. Which of the following has hydrogen bonding?

• CBr4

• N02

• H25

• NH3

Multiple Choice

Sugar dissolves faster in hot tea compared to iced tea. What factor affects the rate of solubility in the statement above?

• Rate of stirring

• The amount of the colloid added

• Size of solute

• Temperature

Multiple Choice

What do you call the forces that hold atoms together?

• Hyper molecular Forces of Attraction

• Hyper atomic Forces of Attraction

• Intermolecular Forces of Attraction

• Intramolecular Forces of Attraction