The chemical properties of an atom are related to the arrangement of what

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c