Chemical bonding review part 1

What properties does an ionic compound have?

• A low boiling point and it conducts electricity when dissolved in water
• A high boiling point and it conducts electricity when solid
• A high melting and it conducts electricity when liquid

Tags

NGSS.HS-PS1-3

A compound that has a low melting point (< 200) and usually soft.

• Covalent compound
• Ionic compound
• Metalloid
• Alloy

What is the AXE # for this compound?

• AXE3
• AX3E
• AX3
• AXE

This compound is ...

• Polar
• nonpolar
• both

What is the AXE # of water?

• AXE4
• AX2E2
• AX4
• AX2E8

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons
• Inner electrons
• Electrons closest to the nucleus
• All single electrons

VSEPR theory states that

• Electrons want to attract each others
• Protons want to attract each other
• Electrons want to repel each other
• Protons want to repel each other

What is VSEPR theory used to predict?

• Bond strength
• Polarity
• Electronegativity
• Molecular shape

Noble gases form chemical bonds with other elements.

• True
• False

When K forms an ionic bond with Br, which of the following occurs?

• K gains an electron and Br loses an electron
• K and Br both lose electrons
• K loses an electron and Br gains an electron
• K and Br share a pair of electrons

Tags

NGSS.HS-PS1-1