Unit Test - Bonds (lonic & Covalent) Which type(s) of element(s) is/are involved in covalent bonds?
1.Metals and Nonmetals
2. Only Nonmetals
3. Only lons
4. Only Metals

An observation that requires measurement is called quantitative observable or qualitative

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products