Exploring Electron Configurations and Energy Levels

What is the first step in locating an electron within an atom?

• Identifying the electron spin

• Identifying the sublevel

• Identifying the orbital

• Identifying the energy level

Which sublevel has orbitals with a spherical shape?

• P sublevel

• F sublevel

• S sublevel

• D sublevel

How many orbitals does the P sublevel have?

• 1

• 3

• 5

• 7

What does the color-coded periodic table help us understand?

• The physical state of elements

• The atomic mass of elements

• The electron configuration of elements

• The chemical properties of elements

How many electrons can the 2p sublevel hold for oxygen?

• 6

• 4

• 2

• 8

What is the electron configuration for sodium?

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3p1

• 1s2 2s2 2p6 3p2

In the d block, how does the energy level change?

• It decreases by 2

• It remains the same

• It decreases by 1

• It increases by 1

Where does the f block fit into the periodic table?

• Between elements 19 and 36

• Between elements 1 and 18

• Between elements 55 and 72, and 89 and 104

• Between elements 37 and 54

What is the noble gas configuration for bromine?

• [Kr] 5s2 4d10 5p5

• [Ar] 4s2 3d10 4p5

• [Ne] 3s2 3p5

• [Xe] 6s2 4f14 5d10 6p5

Why is it important to list the last electrons in the electron configuration of a noble gas?

• They are the heaviest electrons

• They participate in bonding

• They determine the physical state

• They determine the atomic mass