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BIOS 251 LAB Midterm/final Exam (Latest) 2023
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---11juni 20232022/2023A+
- BIOS 251 LAB Midterm 
 
Student:	Date: 	 
 
1.	Atoms bonded together to form a chemical unit are called A. molecules. 
B.	ions. 
C.	radioisotopes. 
D.	buffers. 
 
 
2.	When one atom has a stronger attraction for shared electrons in a bond than the other atom, a(an) 
 	covalent bond is formed. A. polar 
B.	nonpolar 
C.	ionic 
D.	metallic 
 
 
3.	The lower the pH, 
A.	the greater the hydrogen ion concentration. 
B.	the more acidic the solution. 
C.	both the greater the hydrogen ion concentration a...
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