Understanding Ionic Compounds

Which of the following is a metal?

• Oxygen

• Nitrogen

• Calcium

• Sulfur

Which of the following is a nonmetal?

• Aluminum

• Chlorine

• Iron

• Sodium

Which type of element tends to lose electrons to form positive ions?

• Nonmetals

• Metalloids

• Metals

• Noble gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element is a metalloid?

• Boron

• Sodium

• Oxygen

• Argon

Which element would most likely form a negative ion?

• Potassium

• Sulfur

• Magnesium

• Aluminum

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which group on the periodic table contains unreactive gases?

• Alkali metals

• Halogens

• Noble gases

• Transition metals

What is the name of the ion formed when sodium loses one electron?

• Sodium ion

• Sodium anion

• Sodium monoxide

• Sodium hydride

What is the symbol for a calcium ion with a 2+ charge?

• Ca⁻

• Ca²⁺

• Ca⁺

• Ca₂⁺

Which ion has a 2– charge?

• Magnesium ion

• Oxide ion

• Fluoride ion

• Aluminum ion

Tags

NGSS.HS-PS1-1

What is the name of the Cl^– ion?

• Chlorate ion

• Chloride ion

• Chlorine ion

• Chloric ion