Electrons and the Periodic Table

Question 1

Which is the electronic configuration for oxygen?

Revolt · Accepted Answer

1s2 2s2 2p4

Question 2

The noble-gas notation for tin (Sn) will contain the symbol

Revolt · Accepted Answer

[Kr].

Question 3

In which block of the periodic table is chromium (Cr) found?

Revolt · Accepted Answer

d block

Question 4

The electron configuration of nitrogen (N) is

Revolt · Accepted Answer

1s22s22p3

Question 5

Which is the noble gas notation for chlorine?

Revolt · Accepted Answer

[Ne] 3s2 3p5

Question 6

Which element does the electron configuration 1s22s22p2 represent?

Revolt · Accepted Answer

C

Question 7

How many valence electrons does lithium (Li) have available for bonding?

Revolt · Accepted Answer

1

Question 8

Which statement describes the 3d, 4s, and 4p orbitals of Arsenic (As) based on its electronic configuration and position in the periodic table?

Revolt · Accepted Answer

The 3d and 4s orbitals are completely filled, and the 4p orbital is partially filled.

Question 9

In which block of the periodic table is uranium (U) found?

Revolt · Accepted Answer

f block

Question 10

It is easier to determine the electron configurations for the p-block elements in periods 1, 2, and 3 than to determine the electron configurations for the rest of the p-block elements in the periodic table because

Revolt · Accepted Answer

their electrons are assigned to s and p orbitals only.

Electrons and the Periodic Table Answers

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