Ion & Compound Review

Which of the following is a cation?

• A) Cl-
• B) Na+
• C) O2-
• D) S2-

What is the charge of an aluminum ion?

• A) 1+
• B) 2+
• C) 3+
• D) 4+

Which element forms a 2- anion?

• A) Nitrogen
• B) Oxygen
• C) Fluorine
• D) Neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the formula for sodium chloride?

• A) NaCl2
• B) Na2Cl
• C) NaCl
• D) Na2Cl2

How many protons does a chloride ion (Cl-) have?

• A) 17
• B) 18
• C) 16
• D) 35

Which element forms a 3+ cation?

• A) Sodium
• B) Magnesium
• C) Aluminum
• D) Silicon

What is the formula for calcium oxide?

• A) CaO
• B) Ca2O
• C) CaO2
• D) Ca2O2

Tags

NGSS.MS-PS1-1

Which element forms a 1- anion?

• A) Oxygen
• B) Nitrogen
• C) Chlorine
• D) Carbon

Tags

NGSS.HS-PS1-1

Which of the following is a cation?

• A) PO43-
• B) SO32-
• C) NH4+
• D) CO32-

Which of the following is an anion?

• A) Fe2+
• B) Cu2+
• C) Zn2+
• D) Br-