#1: arsenic is a metalloid. how many valence electrons does arsenic have?

a. 3

b. 4

c. 5

d. 6

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose