Bohr & Lewis Dot Models

Front

What does the Bohr model of an atom represent?

Back

The Bohr model represents an atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus.

Front

How many energy levels are present in the Bohr model for an atom with 6 electrons?

Back

There are 2 energy levels: the first energy level can hold 2 electrons, and the second energy level can hold 4 electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

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

Front

What is the general electron configuration for alkali metals?

Back

Alkali metals have one valence electron in their outermost shell, typically represented as ns1, where n is the principal quantum number.

Front

What is the valence electron count for elements in the alkaline earth metal family?

Back

The alkaline earth metals have 2 valence electrons.

Front

What is the common property of elements in the carbon family?

Back

Elements in the carbon family share the same number of valence electrons, which is 4.

Front

How do you determine the number of valence electrons for 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 maximum number of electrons that can occupy the first energy level in the Bohr model?

Back

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

Front

What is the electron configuration for a neutral atom with 7 electrons?

Back

The electron configuration is 1s² 2s² 2p³.

Front

What is the relationship between the number of valence electrons and the reactivity of an element?

Back

Elements with fewer or more valence electrons than a full shell tend to be more reactive, as they seek to lose, gain, or share electrons to achieve a stable electron configuration.