Answer:
The lanthanides and actinides together are sometimes called the inner transition elements.
Explanation:
They are called this because they come up in the periodic table after actinium
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Mass because an intensive property is a physical quantity whose value does not depend on the amount of the substance for which it is measured. Examples of extensive properties include: volume, mass, size, weight, and length.
Answer:
cl=chlorine it is non metal there is nothing like ci
Explanation: