Ions and Ionic Compounds

A single crystal of table salt (Sodium Chloride) is one giant ionic lattice, the Na⁺ and Cl^- ions are held together in a _______ lattice.

What is the correct formula for aluminium oxide? Aluminium is in group 3 and oxygen is in group 6.

• Al₂O₃

• AlO

• AlO₄

• Al₂O

• Al₃O₂

Tags

NGSS.MS-PS1-1

A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)

• covalent bond.

• ionic bond.

• charged bond.

• dipole bond.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF

• NaF₃

• Na₃F

• Na₁F₂

Tags

NGSS.MS-PS1-1

NaCl

• Ionic

• Covalent

• Metallic

• Polyatomic Ion 

Tags

NGSS.MS-PS1-1

MgCl₂

• Ionic

• Covalent

• Polyatomic Ion

• Metallic 

Tags

NGSS.MS-PS1-1

If Ca has a 2+ charge and phosphorus has a 3+ charge, then how many atoms of Calcium and phosphorus are needed to produce neutral Calcium phosphide?

• 2 Calcium

  2 Phosphorus

• 3 Calcium

  1 Phosphorus

• 3 Calcium

  2 Phosphorus

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the proper name for an ionic compound with Ba and N?

• Nitrogen barium

• Nitrogen baride

• Barium nitrogen

• Barium nitride

Why are ions formed?

• To make our lives difficult

• Because atoms want 8 valence electrons

• Because atoms have the same number of protons and electrons

• Because atoms gained neutrons

Tags

NGSS.MS-PS1-1

An atom becomes _________ when it gains electrons.

• Positive

• Negative

• Neutral

• Invinsible

Tags

NGSS.MS-PS1-1