bond types and properties

True or false:
Ionic compounds have high melting points.

• true
• false

Atoms or a group of atoms that has an electric charge is called a/an _________________.

• ion
• electron
• compound
• molecule 

Which types of compounds dissolve easily in water?

• Polar and Nonpolar
• Polar and Ionic
• Nonpolar and Ionic
• Covalent and Nonpolar

Tags

NGSS.HS-PS1-1

If a molecule is said to be "polar," that means it

• has a partial charge (positive end and negative end)

• has no charge

• is a white bear

Tags

NGSS.MS-PS2-3

All solids at room temperature

• ionic compounds
• covalent compounds

When dissolved in water, the solution is a good conductor of electricity.

• ionic compounds
• covalent compounds

Tags

NGSS.HS-PS1-3

usually hard but brittle

• ionic compounds
• covalent compounds

usually soft

• ionic compounds
• covalent compounds

Predict the bond that will form between Be and F.

• Ionic
• Covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

All are properties of network covalent bonds, except for ___

• Does not conduct electricity

• Does not dissolve in water

• Extremely hard and solid

• Made of two or more nonmetals

• Made of two or more metals