Which of the following can be used to describe hydrogen gas (H2)? (More than one choice can be picked.) Isotope Ion Compound Molecule Organic molecule
1. Which of the following can be used to describe hydrogen gas (H2)? (More than one choice can be picked.)
Isotope
Ion
Compound
Molecule
Organic molecule
2.
Table salt is sodium chloride (NaCl). It is a compound composed of Na+ and Cl-. What bond is responsible for the formation of salt?
a)Van der Waals dispersion force
b)Ionic bond
c)Hydrogen bond
d)Polar covalent bond
e)Nonpolar covalent bond
3. This type of bond forms between two different water molecules.
a)Hydrophobic interaction
b)Polar covalent bond
c)Nonpolar covalent bond
d)Hydrogen bond
e)Ionic bond
4. Molecules can be called hydrocarbons because they
a) Are hydrophilic
b)Contain only carbon and hydrogen atoms
c)Contain water molecules, in the form of OH and H
d)Are degraded using water
e)Produce water when reacting with other molecules
a)Isotope
b)Ion
c)Compound
d)Element
e)Organic molecule
In the given question we have five option type problems and we have to select the correct option for each one.
ANSWER - 1
A moleucle is a group of combination of two or more atom held together by a chemical bond
H2 is a molecule as their is chemical bond between two hydrogen atom.
Option 4 is Correct Answer.
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