Periodic Table and Atomic Structure Review

Front

What are the atoms along the staircase in the periodic table called?

Back

Metalloids

Front

True or False: Elements arranged in vertical columns in the periodic table are called periods.

Back

False

Front

What are rows on the periodic table called?

Back

Periods

Front

What are columns on the periodic table called?

Back

Groups

Front

Which particle does not contribute mass to the atom?

Back

Electron

Front

What is the mass number of an atom with 26 protons, 26 electrons, and 30 neutrons?

Back

56

Front

Define 'atomic number'.

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What are noble gases?

Back

Elements in Group 18 of the periodic table that are inert and do not readily react with other elements.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.