Honors Chem Unit 5 - Midterm Exam Review - 24-25

Front

What are valence electrons?

Back

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

Front

How many valence electrons does Group 13 have?

Back

Group 13 elements have 3 valence electrons.

Front

How many valence electrons does Group 17 have?

Back

Group 17 elements have 7 valence electrons.

Front

How many valence electrons does Group 18 have?

Back

Group 18 elements have 8 valence electrons.

Front

What is the electron configuration for lead (Pb)?

Back

The electron configuration for lead is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p².

Front

What is orbital notation?

Back

Orbital notation is a way of representing the arrangement of electrons in an atom using arrows to indicate the spin of electrons in orbitals.

Front

What is the last orbital that has an electron in it for manganese (Mn)?

Back

The last orbital that has an electron in it for manganese is 3d.

Front

What is the significance of the periodic table groups?

Back

The groups in the periodic table indicate elements with similar chemical properties and the same number of valence electrons.

Front

What is the maximum number of electrons in the s orbital?

Back

The maximum number of electrons in the s orbital is 2.

Front

What is the maximum number of electrons in the p orbital?

Back

The maximum number of electrons in the p orbital is 6.