Periodic Table

Front

What are noble gases?

Back

Noble gases are a group of inert gases in Group 18 of the periodic table, known for their lack of reactivity due to having a full valence shell of electrons.

Front

Which element is represented by the symbol Si?

Back

Silicon.

Front

What is an example of a noble gas?

Back

Xenon.

Front

Which element has similar chemical properties to fluorine?

Back

Bromine.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons, leading to greater stability.

Front

What group of elements is known for being highly reactive and includes lithium and sodium?

Back

Alkali metals.

Front

What is the atomic number of Argon?

Back

18.

Front

What are halogens?

Back

Halogens are a group of reactive nonmetals in Group 17 of the periodic table, including elements like fluorine, chlorine, and bromine.

Front

What is the significance of the periodic table's arrangement?

Back

The periodic table is arranged by increasing atomic number, which reflects the periodic trends in element properties.

Front

What is the difference between metals and nonmetals?

Back

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