Periodic Table Review (English)

Front

What is a halogen?

Back

Halogens are a group of elements in Group 17 of the periodic table, known for being highly reactive nonmetals. Examples include fluorine, chlorine, bromine, iodine, and astatine.

Front

Which element shares chemical properties with chlorine?

Back

Bromine (Br) shares similar chemical properties with chlorine as they are both halogens.

Front

How many valence electrons does chlorine have?

Back

Chlorine has 7 valence electrons.

Front

What is the symbol for sodium?

Back

The symbol for sodium is Na.

Front

What are the groups in the periodic table?

Back

Groups are vertical columns in the periodic table that categorize elements with similar chemical properties.

Front

What is the atomic number of chlorine?

Back

The atomic number of chlorine is 17.

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 is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are noble gases?

Back

Noble gases are elements in Group 18 of the periodic table, known for their lack of reactivity due to having a full valence shell. Examples include helium, neon, and argon.

Front

What is an alkali metal?

Back

Alkali metals are highly reactive elements found in Group 1 of the periodic table, such as lithium, sodium, and potassium.