Bohr Models

Front

What is a valence electron?

Back

Electrons in the outer shell of an atom that determine its chemical properties.

Front

How many valence electrons does a noble gas have?

Back

8 valence electrons, indicating a full outer shell.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom, which defines the element.

Front

Name the group of elements that are non-reactive gases with a full outer electron shell.

Back

Noble Gases.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons are involved in forming bonds between atoms.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

How do you determine the number of valence electrons in an element?

Back

By looking at its group number in the periodic table.

Front

What is the Bohr model of the atom?

Back

A model that depicts electrons orbiting the nucleus in defined energy levels.

Front

What does the first energy level of an atom hold?

Back

It can hold a maximum of 2 electrons.

Front

What is the maximum number of electrons in the second energy level?

Back

It can hold a maximum of 8 electrons.

Front

What element has the atomic number 2?

Back

Helium.