Atoms and the Periodic Table Study Guide

What kind of charge do protons have?

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Explain the physical properties of alkaline earth metals and how they differ from alkali metals.

• Alkaline earth metals are softer and less reactive than alkali metals.

• Alkaline earth metals are shiny, ductile, and malleable, while alkali metals are dull and brittle.

• Alkaline earth metals are shiny and malleable, whereas alkali metals are soft and highly reactive.

• Alkaline earth metals are more reactive than alkali metals and are found in Group 1.

How are elements arranged on the periodic table?

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Which group of the periodic table do alkali metals belong to?

• Group 1

• Group 2

• Group 3

• Group 4

In an atom, how many electrons can the first electron shell hold?

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What is the maximum number of electrons that can be accommodated in the second energy level of an atom?

• 2

• 8

• 18

• 32

What do the elements in a Group on the periodic table have in common?

• the number of protons

• the number of electrons

• the number of neutrons

What is the primary purpose of an Electron Dot Diagram?

• To represent the total number of protons in an atom

• To illustrate the arrangement of isotopes in an element

• To show the outer energy level electrons of an atom

• To depict the mass number of an atom

What is the charge of a neutron?

• Neutrons have a neutral charge.

• A neutron's charge depends on the atom in which it is found.

• Neutrons have a positive charge.

• Neutrons have a negative charge.

An electron has a charge of:

• +1

• zero

• -1

• -2