Electron Configurations and Periodic Table

The video tutorial explains how to find an element on the periodic table using its electron configuration. It demonstrates two methods: counting electrons to match the atomic number and using orbital blocks to identify the element. The example used is carbon, with an electron configuration of 1s2 2s2 2p2. The tutorial also covers the structure of the periodic table in terms of s, p, and d blocks, and how these relate to electron capacity.

What is the total number of electrons in the electron configuration 1s2 2s2 2p2?

• 10

• 4

• 6

• 8

How many protons does an element with 6 electrons have if it is neutral?

• 7

• 6

• 5

• 4

Which element on the periodic table has the electron configuration 1s2 2s2 2p2?

• Carbon

• Boron

• Oxygen

• Nitrogen

What is the maximum number of electrons that the s block can hold?

• 4

• 8

• 2

• 6

Which block on the periodic table can hold up to 10 electrons?

• s block

• d block

• p block

• f block

In which block does the electron configuration 2p2 end?

• p block

• s block

• f block

• d block

What is the electron configuration of carbon?

• 1s2 2s2 2p1

• 1s2 2s2 2p2

• 1s2 2s2 2p3

• 1s2 2s2 2p4

Which period on the periodic table contains the element with the electron configuration ending in 2p2?

• Third

• First

• Second

• Fourth