Use the Periodic table below to answer the following questions:

-Element 20, Ca, has what chemical property?
A) It tends to form covalent bonds and an ion with a charge of +1.
B) It behaves as a nonmetal, accepting electrons to form an ion with charge - 2.
C) It tends to be inert, and thus is dispersed throughout the crust.
D) It behaves as a metal ion, giving up two electrons to form a +2 ion.

Question

Use the Periodic table below to answer the following questions:
 
-Element 20, Ca, has what chemical property?
A) It tends to form covalent bonds and an ion with a charge of +1. 
B) It behaves as a nonmetal, accepting electrons to form an ion with charge - 2. 
C) It tends to be inert, and thus is dispersed throughout the crust. 
D) It behaves as a metal ion, giving up two electrons to form a +2 ion.

Quizplus · Accepted Answer

Element 20 is a member of Group 2, also known as the alkaline earth metals. These elements tend to give up two electrons to form a +2 ion, making them behave as metal ions. Therefore, the correct answer is D.

Use the Periodic Table Below to Answer the Following Questions