U2 Properties of Matter End of Unit Practice

Use the period square to answer the question:

How many protons does Magnesium have?

• 24

• 12.3050

• 12

• 36

Use the period square to answer the question:

How many neutrons do most Magnesium atoms have?

• 24

• 12.3050

• 12

• 13

Use the period square to answer the question:

How many electrons does a balanced Magnesium atom have in its ground state?

• 12

• 12.3050

• 24

• 3

Use the Bohr model to answer the question:

How many valence electrons does a Neon (Ne) atom have?

• 10

• 2

• 8

• 20

Use the Bohr model to answer the question:

What is the mass number of a Neon (Ne) atom?

• 20

• 10

• 8

• 18

Use the Bohr model to answer the question:

What is the atomic symbol of a Neon?

• 10p

• 10n

• Ne

• N

Use the Bohr model to answer the question:

Based on its electron configuration, Neon (Ne) is likely to...

• form a cation by donating an electron

• form an anion by receiving an electron

• Remain stable and not react with other substances

• It is impossible to infer how Neon is likely to react

Use the periodic table to answer the question:

Calcium (Ca) is an Alkaline Earth Metal. In which group is Calcium located?

• 1

• 2

• 4

• 18

Use the periodic table to answer the question:

Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) all belong to which series?

• Alkalai Metals

• Transition Metals

• Lanthanides

• Noble Gasses

Which of the following elements is a metal?

• Chlorine (Cl)

• Gallium (Ga)

• Sillicon (Si)

• Selenium (Se)