What makes up an ionic bond?

• Metal and a Metal
• Metal and a nonmetal
• nonmetal and a nonmetal
• metal and metalloid

What makes up a covalent bond?

• Metal and a Metal
• Metal and a nonmetal
• nonmetal and a nonmetal
• metal and a metallid

Which of these is covalent?

• NaCl
• Pb(NO₃)₂
• CO₂
• AlCl₃

What is the name for an ion with a positive charge?

• Anion
• Cation
• Dogion
• Ion

What is the name for an ion with a negative charge?

• Anion
• Cation
• Dogion
• Ion

What is the name for sulfur after it gains two electrons?

• Sulfur ion
• Sulfate
• Sulfide
• Sulfite

What kind of bond forms when atoms share electrons?

• Chemical bond
• Ionic bond
• Covalent bond
• Electron bond

Predict the bond that will form between Be and F.

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

How many electrons should Carbon have around its Lewis dot model?

• 1
• 3
• 4
• 5