Mi 2

_______________the energy involved in the bond formed between two atoms; potential energy stored in chemicals

• transfer

• chemical energy

• light energy

• heat energy

Tags

NGSS.HS-PS1-4

_______________a form of energy that determines the movement of atoms; the higher the temperature the faster the atoms are moving.

• light energy

• heat energy

• water energy

• ghost energy

Tags

NGSS.MS-PS1-4

What is the chemical formula for the compound formed by the combination of magnesium (Mg) and iodine (I)?

Tags

NGSS.MS-PS1-1

Which of the following is a property of magnesium iodide (MgI2)?

• It is a gas at room temperature

• It is a liquid at room temperature

• It is a solid at room temperature

• It is a plasma at room temperature

Tags

NGSS.MS-PS1-4

What type of bond is formed between magnesium and iodine in magnesium iodide (MgI2)?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

Tags

NGSS.HS-PS1-3

In the reaction to form magnesium iodide, which element acts as the electron donor?

• Magnesium

• Iodine

• Both donate electrons

• Neither donates electrons

Tags

NGSS.HS-PS1-2

What is the oxidation state of iodine in magnesium iodide (MgI2)?

• -1

• 0

• +1

• +2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following best describes the lattice structure of magnesium iodide?

• Cubic

• Hexagonal

• Tetragonal

• Orthorhombic

What is the molar mass of magnesium iodide (MgI2)?

• 278.11 g/mol

• 278.32 g/mol

• 278.43 g/mol

• 278.55 g/mol

How many moles of iodine are present in one mole of magnesium iodide (MgI2)?

• 0.5 moles

• 1 mole

• 2 moles

• 3 moles