Valence Electrons

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

How many valence electrons does Phosphorus have?

Back

5 valence electrons.

Front

How many valence electrons does Lithium have?

Back

1 valence electron.

Front

How many valence electrons does Nitrogen have?

Back

5 valence electrons.

Front

What do the rows on the periodic table represent?

Back

The rows, called periods, represent the number of electron shells an atom has.

Front

What do the columns on the periodic table represent?

Back

The columns, called groups, represent elements that have similar chemical properties and the same number of valence electrons.

Front

What is the significance of the period an element is in?

Back

The period indicates the number of electron shells in an atom.

Front

How can you determine the number of valence electrons for main group elements?

Back

The number of valence electrons corresponds to the group number for main group elements (1-2 and 13-18) on the periodic table.

Tags

NGSS.HS-PS1-2

Front

What is the maximum number of valence electrons an atom can have?

Back

An atom can have a maximum of 8 valence electrons, following the octet rule.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to bond in such a way that they have 8 electrons in their valence shell, achieving a stable electron configuration.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2