Writing and Naming Ionic bonds KCHS

Why do all bonds form?

• so the number of protons equals the number of electrons

• so an atom can become unstable

• to fill the outermost energy level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Valence electrons are found

• in the innermost energy level of an atom

• in the middle energy levels of an atom

• in the outermost energy levels of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

• Gain 5

• Lose 3

• Nothing

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Zinc fluoride

• ZnF₂

• Zn₂F

• ZnF

• Zn₂F₄

How many Aluminum atoms are in Al₂O₃?

• 3

• 5

• 2

• 1

Tags

NGSS.MS-PS1-1

When naming ionic compounds, the metal is always named first and the nonmetal is always named second.

• True

• False

Write the correct formula for Sodium Chloride.

• SC

• SCl

• NaCl

• NaCl₂

Tags

NGSS.MS-PS1-1

Mg₃N₂

• Magnesium nitride

• Magnesium (II) nitride

• Trimagnesium dinitrogen

Tags

NGSS.MS-PS1-1

How many valence electrons does hydrogen have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2