State whether these molecules contain an ionic bond or only covalent bonds, and draw their lewis structures (figure 1-16 in the textbook give en values for most of the periodic table). ch2oli i chci chsnh3f

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

Which statement best describes the he properties of iconic compounds ?

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.