Multiple Choice
Which of the following elements has similar chemical properties to lithium?
2. Atoms & Elements
Periodic Table: Group Names
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Which of the following best describes the elements in the first group of the periodic table?
A
They are noble gases and are chemically inert.
B
They are transition metals and have variable oxidation states.
C
They are halogens and form salts with metals.
D
They are known as alkali metals and are highly reactive.
Verified step by step guidance1
Identify the first group of the periodic table, which is Group 1 (also called Group IA).
Recall the characteristics of Group 1 elements: they are known as alkali metals.
Understand that alkali metals are highly reactive, especially with water, and have a single electron in their outermost shell.
Compare the given options with the known properties of Group 1 elements: they are not noble gases, transition metals, or halogens.
Conclude that the best description is that they are alkali metals and are highly reactive.
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