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 Argon?

Back

18

Front

What are the horizontal rows on the periodic table called?

Back

Periods.

Front

What are the elements in Group 1 of the periodic table known as?

Back

Alkali metals.

Front

What is the maximum number of electrons that can occupy the first shell of an atom?

Back

2 electrons.

Front

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

Back

Elements in the same group have similar chemical properties and the same number of valence electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What are the elements in Group 17 of the periodic table known as?

Back

Halogens.

Front

How many valence electrons does Carbon have?

Back

4 valence electrons.

Front

What is the electron configuration of Argon?

Back

1s² 2s² 2p⁶ 3s² 3p⁶.

Tags

NGSS.HS-PS1-1

Front

What is the general trend in electronegativity across a period?

Back

Electronegativity increases from left to right across a period.