Question

Collect data: Use the ruler to measure the atomic radii of the group 1 elements. As you do so, count the
energy levels (shown as rings of electrons) in each atom. Record in the table.
H
Na
K
Rb
Cs
Element
Number of energy levels
Atomic radius (pm)
53
152
186
231
244
264

please help I need to do energy levels​

Answer 1

Answer:

i  do not know about atomic radii

Explanation:

Answer 2

Answer:

i need help with this

Explanation: