Chemical Bonds Properties

______________ compounds are usually the strongest.

• Ionic

• Covalent

• Molecule

• solid

____________ compounds are usually solid at room temperature and form a crystal structure.

• Ionic

• Covalent

• Molecule

• Solid

Iron's ability to rust when exposed to air is a 

• Chemical Property 

• Physical Property 

• Both A and B

• None of the above 

Tags

NGSS.HS-PS1-1

While burning, sugar changed from a white solid substance to a brown liquid substance. What occurred?

• No new reactants were formed

• The products combined to form a new reactant

• The bonds of the reactants were broken and rearranged into a new product

• The reactants were the same as the product

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

In a chemical change

• Bonds are not broken

• A new substance is formed and bonds are rearranged 

• No new substances are formed 

• None of the above 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The type of bond that is formed when one atom transfers electrons to another atom is called:

• covalent

• ionic

The type of bond that is formed when one atom shares electrons with another atom is called:

• covalent

• ionic

Tags

NGSS.HS-PS1-1

What are the properties of Ionic compounds?

• 3-D crystal shape, high melting point, electrical conductivity

• Weak bonds, polar and non-polar compounds

How many Sodium (Na+) ions are needed to balance the charge of one Chlorine (Cl-) ion? (Think: the ratio of Na to Cl in the chemical formula for salt)

• three

• two

• one

Tags

NGSS.HS-PS1-7

Ionic Compounds form between:

• more than one nonmetal

• a metal and a nonmetal