Type of reactions that are needed for growth and repair of worn-out or damaged tissues

What is the most stable monatomic ion formed from nitrogen

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

The point along a planet's orbit where it is closest to the sun is called the