What two types of changes to Earth's surface are illustrated in the model above ? A. Erosion of sand from the beach during winter B. Deposition of sand onto the beach during summer Erosion of sand from the beach during summer D. Deposition of sand onto the beach during winter

What happens to the atomic radius when an elctron is lost

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.