Question

Compare beryllium (Be) and strontium (Sr). Which element has the higher atomic radius?

a) Beryllium (Be)
b) Strontium (Sr)
c) They have the same atomic radius.
d) Atomic radius cannot be compared for these elements.

Answer 1

Beryllium (Be) has a smaller atomic radius compared to strontium (Sr) in Group 2 of the periodic table.

Step-by-step explanation:

In general, atomic radius increases as you move down a group on the periodic table and decreases as you move across a period. Beryllium (Be) and strontium (Sr) are in Group 2 of the periodic table. Since Be is above Sr in the same group, it has a smaller atomic radius.

Answer 2

d

Step-by-step explanation:

because it has different group