Answer: is A
Explanation:
how becuase i just take the test
Answer:
The element from Group 13.
Explanation:
Following trends of the periodic table, atomic radius of the elements increase going down from the right side and decrease on its way up diagonally to the left. (sry if u can't understand me)
Answer:
Properties describe physical matter.
Explanation:
A change in position over a certain amount of time
Answer:
Writing Formulas of Ionic Compounds
The cation is written first, followed by the monatomic or polyatomic anion. The subscripts in the formula must produce an electrically neutral formula unit.