Question

Which of the following pairs of elements do you expect to be most similar? argon and bromine titanium and gallium nitrogen and oxygen germanium and arsenic lithium and sodium

Answer 1

The pair of elements expected to be most similar would be lithium and sodium.

The periodic table

Elements are arranged in the periodic table according to their atomic numbers while elements with similar properties are placed in the same group.

• Argon (noble gas) and bromine (halogen) belong to different groups
• Titanium (group 4) and gallium (group 13) belong to different groups
• Nitrogen (group 15) and oxygen (group 16) belong to different groups
• Only Lithium (group 1) and Sodium (group 1) belong to the same group.

More on the periodic table can be found here: https://brainly.com/question/11155928?referrer=searchResults