Chemistry Final Spring 2020

Which of the following is an alkaline earth metal?

• Rb

• Mg

• Si

• S

Which of the following elements has the largest atomic radii K, Li, Cs, or Na?

• K

• Li

• Cs

• Na

When a neutral atom loses an electron to form a cation, it's diameter...

• decreases

• increases

• stays the same

Which of the following is a transition metal?

• Na

• Cl

• Ne

• Fe

An ion with a negative charge is called a...

• atom

• anion

• cation

How many electrons were lost or gained in forming the a Ca²⁺ ion?

• lost 2 electrons

• gained 2 electrons

• lost 1 electron

• gained 1 electron

Which of the following is a cation?

• Na

• Cl^-

• K⁺

How many electrons must N gain to attain a noble gas electron configuration?

• 1

• 2

• 3

• 4

What is the chemical formula of the ionic compound formed when Ca and Cl react?

• CaCl

• Ca₂Cl

• CaCl₂

• Ca₂Cl₂

What is the formula of the ionic compound when Al and O react?

• AlO

• Al₂O

• AlO₃

• Al₂O₃