Answer:k
Explanation:
Atomic theory would be the theory or explanation of the function of atoms and their relationship with each other.
The correct answer is 42. I know this answer is right because i have already turned my assignment in and got it right.
Answer: all elements in the periodic table is classified as elements
Explanation:
The structure of the table shows periodic trends. The seven rows of the table, called periods, generally have metals on the left and nonmetals on the right. The columns, called groups, contain elements with similar chemical behaviours. Six groups have accepted names as well as assigned numbers: for example, group 17 elements are the halogens; and group 18 are the noble gases