Unit 3 - Test 2 Quizizz

The elements whose electron configurations end with s2 p5 in the highest occupied energy level belong to Group

• 3
• 7
• 10
• 17

In Period 3 there are 8 elements. What sublevel(s) is (are) being filled?

• s
• s and d
• s and p
• d and f

The atomic number of lithium, the first element in Group 1, is 3. The atomic number of the second element in this group is

• 4
• 10
• 11
• 18

For groups 13 through 18, the number of valence electrons is equal to the group number

• plus 1.
• minus the period number.
• plus the period number.
• minus 10.

Elements to the right side of the periodic table (p-block elements) have properties most associated with

• gases.
• nonmetals
• metals
• metalloids

Because the first energy level contains only the 1s sublevel, the number of elements in this period is

• 1
• 2
• 4
• 8

Strontium's highest occupied energy level is 5s2. To what group does strontium belong?

• 2
• 5
• 6
• 8

Calcium, atomic number 20, has the electron configuration [Ar] 4s2. In what period is calcium?

• 2
• 4
• 8
• 20

For groups 13 through 18, the total number of electrons in the highest occupied level equals the group number

• plus 1.
• minus 1.
• plus 5.
• minus 10.

Bromine, atomic number 35, belongs to Group 17. How many electrons does bromine have in its outermost energy level?

• 7
• 17
• 18
• 35