What is Metabolism?
All the chemical reactions in a cell.
Living organisms as composed of mainly which elements?
- Carbon
- Hydrogen
- Nitrogen
- Oxygen
Isotopes of an element have the same number of _____ but a different number of _____.
- Protons and Electrons
- Neutrons
What is the name of an atom that gains or loses electrons.
Ion
Which bond is the attraction of + and - charges?
Ionic Bond
If an atom has 7 electrons in its outermost shell, how many covalent bonds would it make?
1
How are hydrogen bonds different from Covalent bonds?
Hydrogen bonds involve interactions between partial charges while covalent bonds involve sharing electrons.
What is the difference between a strong acid an a weak acid?
- Strong Acids completely ionize in water while weak acids do not completely ionize.
- Strong acids Donate H+, Weak Acids Accept H+
pH 2 has _____ times the hydrogen ion concentration of pH 6.
10,000
What is the difference between Organic and Inorganic molecules?
Organic molecules contain BOTH Carbon and Hydrogen while Inorganic contain only one or neither atoms.
