My choice my choice my choice

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

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