Bohr Models

Front

What is a valence electron?

Back

Electrons in the outer shell of an atom that are involved in chemical bonding.

Front

What is the atomic number of Sodium?

Back

11

Front

What group in the periodic table does Sodium belong to?

Back

Group 1 (Alkali metals).

Front

What is the atomic number of Beryllium?

Back

4

Front

What group in the periodic table does Beryllium belong to?

Back

Group 2 (Alkaline earth metals).

Front

How many valence electrons does Sodium have?

Back

1.

Front

How many valence electrons does Beryllium have?

Back

2.

Front

What is the significance of valence electrons in chemical reactions?

Back

They determine how an atom can bond with other atoms.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the electron configuration of Sodium?

Back

1s² 2s² 2p⁶ 3s¹.

Front

What is the electron configuration of Beryllium?

Back

1s² 2s².

Tags

NGSS.HS-PS1-1