Basics of the Periodic Table

Front

What determines the chemical properties of elements in the same group of the Periodic Table?

Back

The number of valence electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

Which element is classified as a metalloid?

Back

Silicon.

Front

What is true about the valence electrons of Group 17 elements as you move down the group?

Back

They have the same number of valence electrons and similar chemical properties.

Front

Which two elements have the most similar chemical properties?

Back

Beryllium (Be) and Magnesium (Mg).

Front

How do metals typically form ions?

Back

By losing electrons and forming positive ions.

Front

What is the Periodic Table?

Back

A tabular arrangement of elements organized by increasing atomic number, showing periodic trends.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the significance of valence electrons?

Back

They determine how an element reacts chemically with other elements.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the general trend in reactivity for alkali metals as you move down the group?

Back

Reactivity increases as you move down the group.

Front

What are the main categories of elements in the Periodic Table?

Back

Metals, nonmetals, and metalloids.