PHYSICAL SCIENCE- QUARTER 1
Quiz by SUZETTE PAGUIO
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- Q1
It is a process where heavy elements are produced within the stars.
Supernova
Stellar Nucleosynthesis
BigBang Nucleosynthesis
NuclearReaction
30sEditDelete - Q2
These are the abundant elements in the Big Bang Nucleosynthesis
Helium and Hydrogen
Nitrogen and Chlorine
Argon and Krypton
Hydrogen and Nitrogen
30sEditDelete - Q3
It refers to the number of protons in the nucleus of an element.
Molecular Geometry
Mass Number
Atomic Number
Electronegativity
30sEditDelete - Q4
The total number of protons and neutrons in the nucleus of an atom.
Electronegativity
Molecular Geometry
Atomic Number
Mass Number
30sEditDelete - Q5
How many protons are in the Potassium atom?
-20
20
39
19
30sEditDelete - Q6
Which of the following elements contains 17 electrons in their neutral form?
K
O
Al
Cl
30sEditDelete - Q7
How many neutrons are there in the aluminum atom?
24
14
-1
13
30sEditDelete - Q8
Which of the following statement is true?
The Carbon atom has 6 protons, 6 electrons and 12 neutrons
The Oxygen atom has 8 protons, 8 electrons and 6 neutrons
The Oxygen atom has 8 protons, 8 electrons and 16 neutrons
The Carbon atom has 6 protons, 6 electrons and 6 neutrons
30sEditDelete - Q9
There is a transfer of one or more valence electrons form one atom to another
Polar Molecules
Non-Polar Molecules
Ionic Bond
Covalent Bond
30sEditDelete - Q10
Result through the sharing of electrons.
Ionic Bond
Polar Molecules
Covalent Bond
Non-Polar Molecules
30sEditDelete - Q11
Measures the relative tendency of an atom to attract electrons to itself when chemically combined with other atoms.
Non-polar Covalent Bonding
Electronegativity
Polar Covalent Bonding
Nuclear Fusion
30sEditDelete - Q12
Which of the following among the intermolecular forces is weakest?
Ion-Dipole Force
Dipole-dipole force
Covalent Bond
Dispersion force
30sEditDelete - Q13
Which of the following among the intermolecular forces is considered the strongest?
Covalent bond
Ion-Dipole Force
Dispersion Force
Dipole-dipole force
30sEditDelete - Q14
You are tasked for the dishwashing duties of the oily pans and utensils following your dinner of deep-fried food. First, you scrape excess food then rinse it with water. You noticed that the grease does not mix with water. What can you infer from this observation? Recall that the general rule for deciding if one substance is capable of dissolving another is “like dissolves like.”
When nonpolar liquid such as oil is mixed with water which is nonpolar, two separate layers form because the liquids will not dissolve into each other.
None of the choices are correct because oil is miscible or can dissolve with water.
Both a and b are correct
When a nonpolar liquid such as oil is mixed with water which is polar, two separate layers form because the liquids will not dissolve into each other.
30sEditDelete - Q15
What do you call the dipole-dipole attraction between hydrogen atom and electronegative
elements F, O, and N?
Covalent bond
Hydrogen Bond
Dipole-Dipole force
Ion-Dipole force
30sEditDelete - Q16
What force of attractions involved between K+ and H2O when KCl interacts with H2O?
Dipole-dipole
Ion-dipole
Hydrogen bond
Dispersion
30sEditDelete - Q17
Which of the following describes why the boiling point of CH4 (-161.6 °C) is much lower than
that of HF (19.5 °C)?
The boiling point is higher in HF because the hydrogen bonding in HF is stronger than the attractive forces in CH4.
The boiling point is higher in HF because CH4 is polar.
The boiling point is higher in HF because of the weaker ion-dipole interactions in CH4.
The boiling point is higher in HF because of the weaker dipole-dipole interactions in CH4.
30sEditDelete - Q18
Group of biological macromolecules that are composed out of carbon (C), hydrogen (H),oxygen (O), nitrogen (N), and phosphorus (P)
Lipids
Proteins
Nucleic Acids
Carbohydrates
30sEditDelete - Q19
Which of the following organic compounds is the main source of energy for living things?
Proteins
Lipids
Carbohydrates
Nucleic Acids
30sEditDelete - Q20
What are the four macromolecules?
RNA,DNA, proteins, and carbohydrates
monosaccharides, lipids, polysaccharides, and proteins
carbohydrates, lipids, nucleic acids, and protein
proteins,DNA, RNA, and steroids
30sEditDelete
