Bohr Models and Valence Electrons

Front

What is a Bohr model?

Back

A Bohr model is a representation of an atom that shows electrons orbiting the nucleus in defined energy levels.

Front

How many energy levels can an atom have?

Back

An atom can have multiple energy levels, typically ranging from 1 to 7 in the periodic table.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost energy level of an atom that are involved in chemical bonding.

Front

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

Back

The number of valence electrons can be determined by the group number of the element in the periodic table.

Front

What is the significance of the period number in the periodic table?

Back

The period number indicates the number of energy levels an atom has.

Front

Which group of elements has 3 valence electrons?

Back

Group 13 (3A) elements have 3 valence electrons.

Front

What is the relationship between valence electrons and an element's reactivity?

Back

An element's reactivity is primarily determined by the number of valence electrons it has.

Front

What element has 2 energy levels and is in group 13?

Back

Boron has 2 energy levels and is in group 13.

Front

How many total electrons can the first energy level hold?

Back

The first energy level can hold a maximum of 2 electrons.

Front

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

Back

The second energy level can hold a maximum of 8 electrons.