
1st Weekly Assessment in Physical Science
Quiz by April Francisco
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The joining of two atoms in a stable arrangement is called?
Polar covalent compounds are _______ in water.
These forces can only occur between polar molecules that exhibit dipole moment.
The major source of energy for the body is called?
Nucleic acids are molecules that code for hereditary traits by controlling the production of ______.
It is a result from the sharing of electrons between two atoms.
When the arrangement of protons and electrons are even on the molecule, it is a ________.
These forces exist between an ion (cation or anion)and a polar molecule.
The second most common molecules found in the human body after water.
It contain a hydrophilic polar head and two non polar tails composed of C-C and C-H bonds.
_______are organic molecules that are considered as macronutrients that should be taken in large amounts by our body.
If the electronegativity difference is equal to 0.4 or less, it results to a nonpolar covalent bond.
If the molecule contains the two types of bonds both polar and nonpolar, it is always considered a non- polar molecule.
Hydrogen bond occur when a nonpolar molecule becomes a temporary dipole because when electrons move inside them they tend to move at one place of the molecule making the sides partially negative or partially positive.
Liquids with stronger intermolecular forces tend tohave higher surface tension than those with weak intermolecular forces.
When the arrangement of protons and electrons are even on the molecule, it is a non-polar molecule.
All carbohydrates contain carbon, hydrogen, and oxygen.
The monomers of nucleic acids are?
The organic molecules that are considered as macronutrients that should be taken in large amounts by our body.
This interaction occurs between molecules that have hydrogen bonded to a highly electronegative atom, such as O, N, or F.