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In Chemistry / Junior High School | 2025-06-03

The Periodic Table
Fill in the blanks with words from the box.
atom atomic number column element
gold inert Mendeleev metals
nonmetals periodic properties symbol
Calcium: an element on the periodic table with atomic number 20. All matter is composed of various elements. An _________________ is a form of matter that is composed of a single type of _________________. In 1869, Dmitri _________________ created the _________________ table to group the elements. Periodic tables usually show the e

Asked by sierrafolk7748

Answer (1)

"Calcium: an element on the periodic table with atomic number 20. All matter is composed of various elements. An element is a form of matter that is composed of a single type of atom. In 1869, Dmitri Mendeleev created the periodic table to group the elements."Element is the correct term for a substance made of only one kind of atom.Atom is the smallest unit of an element.Mendeleev is the Russian scientist who organized the first periodic table.Periodic refers to the repeating pattern of properties of the elements.

Answered by Storystork | 2025-06-16

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