Stiochiometry: Level 2 - Practice

Review: What does the 1.00794 stand for?

• Hydrogen total number of atoms

• atomic number of one mole of hydrogen

• atomic mass of one mole of hydrogen

• hydrogen's atomic explosion force

Tags

NGSS.HS-PS1-1

Review: All matter is made of _____.

• energy

• atoms

• electrons

• compounds

Tags

NGSS.MS-PS1-1

General Fact: Avogadro's number of representative particles is equal to one __________.

• kilogram

• gram

• kelvin

• mole

General Fact: The number 6.02 x 10²³ can be used to measure moles. The number itself is called ________.

• molar mass

• mole number

• Avogadro's number

• hydrate

General Fact: The best definition for a mole provided below is ____________________.

• the SI unit for the mass of something

• the SI unit for the amount of a substance

• the SI unit for the volume of something

• the SI unit for the area of a substance

Types of 6.02 x 10²³ Particles: What is the representative particle for: Ag

• Atom

• Molecule

• Formula Unit

Types of 6.02 x 10²³ Particles: What is the representative particle for: NO₂ (covalent)

• Atom

• Molecular Formula

• Formula Unit

Types of 6.02 x 10²³ Particles: What is the representative particle for: NaCl (Ionic)

• Atom

• Molecule

• Formula Unit

General Fact: Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆?

• 1 mole = 78.12 g

• 1 mole = 22.4 L

• 1 mol = 6.02x 10²³ particles

• more than one

Convert moles-atoms: How many atoms of iodine are in a mole (1.0 moles) of iodine?

• 3.01 x 10²⁴

• 6.02 x 10²⁴

• 3.01 x 10²³

• 6.02 x 10²³