Question

Help asp brainless!! Help with 1,2 and 3

Answer 1

1_True

2_8

3_not really sure but according to scientist it is organized by the increasing atomic numbers

Step-by-step explanation:

Answer 2

the seocond one i do believe it is 8

and then

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table's arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius.

Step-by-step explanation: