Question

Question (Mcqs)

Answer 1

A single covalent chemical bond represents the sharing of how many electrons?
a. one b. two
c. three d. four


. Which of the following is the correct order for the relative strengths of chemical bonds?
a. covalent, ionic, hydrogen, van der Waal forces
b. ionic, covalent, hydrogen, van der Waal forces
c. van der Waal forces, covalent, ionic, hydrogen
d. hydrogen, covalent, van der Waal forces, ionic


. What determines is a molecule is polar, nonpolar, or ionic?
a. number of protons b. bond distances
` c. differences in electronegativities of the atoms
d. the ionic charges

The sum of the atomic weights in any given molecule is called its ____________________

___________occurs when one atom, such as 14C, is transformed into another atom, such as 14N, with an accompanying emission of energy.


this is chemistry, but its the fundamental topic of CELL BIOLOGY (CHEMICAL BASIS OF LIFE)

Answer 2

so what are your choices?
choose, and tell why you chose it