231. 💎Metallic & Ionic Wayground

What is required when chemical bonds are broken?

• Energy

• Pressure

• Heat

• Light

Tags

NGSS.HS-PS1-4

Chemical bonds only involve

• valence electrons

• Protons

• Neutrons

• Valence neutrons

In metallic bonds, electrons are:

• Exchanged

• Shared

• Delocalized

• Localized

What charge do atoms have when they gain electrons?

• Positive

• Neutral

• Negative

• No charge

What happens to a nonmetal in an ionic bond?

• It becomes a cation

• It becomes an anion

• It remains neutral

• It becomes a noble gas

What type of attraction holds sodium and chlorine ions together in an ionic bond?

• Magnetic attraction

• Gravitational attraction

• Electrostatic attraction

• Nuclear attraction

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What is the term for an aqueous solution that conducts electricity?

• Insulator

• Conductor

• Electrolyte

• Semiconductor

Sort each property as metallic or ionic

Groups:

(a) Metallic

,

(b) Ionic

• brittle

• conductor of electricity when dissolved

• form crystals

• malleable

• conductor of heat in solid form

• ductile

• high melting point

• high boiling point

Match the neutral atom to its number of valence electrons

• Neon

• 8

• Potassium

• 7

• Magnesium

• 6

• Oxygen

• 2

• Bromine

• 1

Determine whether each atom is likely to become a cation or an anion:

Groups:

(a) Cation

,

(b) Anion

• Nitrogen

• Lithium

• Bromine

• Sodium

• Aluminum

• Fluorine

• Strontium

• Sulfur

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2