5.4 Molecular and Ionic

Which of the following is not a diatomic element?

• Nitrogen

• Neon

• Iodine

Which of the following is not a diatomic element?

• Oxygen

• Bromine

• Astatine

Which of the following is not a diatomic element?

• Hydrogen

• Helium

• Fluorine

An atom, or a group of atoms that has an electrical charge, either positive or negative.

• electron
• ion
• nucleus
• orbital

Metals lose electrons to form

• positive ions
• negative ions

Tags

NGSS.HS-PS1-2

Non-metals gain electrons to form

• positive ions
• negative ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following forms an ionic compound?

• a metal and another metal
• a non-metal and another non-metal
• a metal and a non-metal
• a covalent bond

Which of the following forms a molecular compound?

• a metal and another metal

• a non-metal and another non-metal

• a metal and a non-metal

• a covalent bond

The following best classifies as ___.

 $krypton$ 

• atomic element

• molecular element

• molecular compound

• ionic compound

The following best classifies as ___.

$CoCl_2$

• atomic element

• molecular element

• molecular compound

• ionic compound