24 Questions
What is the smallest particle of a chemical element?
Atom
What is the significance of chemistry in the human body?
It controls basic processes, such as DNA and protein formation
Why is an understanding of chemical concepts important for healthcare professionals?
It helps in understanding key A&P concepts and disease processes
What is the term for the smallest unit of matter that still retains the properties of an element?
Atom
What is the relationship between atoms and molecules?
Molecules are formed from atoms
What is the role of chemistry in the development of drugs?
It helps in understanding how drugs interact with proteins on the surface of cells
What is the definition of an atom in Greek?
A- = not, tom = to cut
What is an element?
A pure substance made from only one type of atom
What is the charge of an electron?
Negative
What is a molecule?
A particle made up of multiple atoms
Which of the following is best described as an element?
Helium and hydrogen
Which of the following is NOT a type of particle?
Element
What is the minimum number of atoms required to form a molecule?
2
What is the definition of an ion?
An atom or molecule that has an electrical charge
What is the fundamental difference between ionic and covalent bonds?
The transfer or sharing of electrons
Which shell of an atom participates in bonding?
Outermost shell
What is the term for a substance formed from two or more different elements?
Compound
In a covalent bond, what do the atoms do with their electrons?
Share them
What is the primary function of enzymes in cells?
To catalyze biochemical reactions
What is the active site of an enzyme?
A small region on the surface of the enzyme involved in catalysis
What is the pH of a neutral solution?
7
What is the definition of an acid?
A substance that donates protons
What is the range of pH values?
0-14
What is the role of hydrogen ions in pH?
They decrease the pH of a solution
Test your understanding of basic chemistry concepts, including atoms and molecules, the periodic table, atomic bonding, and organic molecules. This quiz is relevant to bioscience and anatomy and physiology practice.
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