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- 1. Multiple Choice
What does atomic mass refer to?
Number of protons and neutrons
Number of protons and electrons
Number of electrons and neutrons
Number of protons, electrons, and neutrons
- 2. Multiple Choice
Avogadro's number is equal to...
12
6.02 x 1023
100
Number of avocados in a bag at the grocery store
- 3. Multiple Choice
Avogadro's number refers to...
The number of atoms, molecules, or particles in 1 mole of a substance
The number of protons and neutrons in an atom
The number of electrons in the outermost shell
How many atoms are on the periodic table
- 4. Multiple Choice
Molar mass is...
The mass of one mole of a substance
The number of atoms or molecules in 1 mol
Number of protons and neutrons
A group of atoms bonded together
- 5. Multiple Choice
A mole is...
A standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles
Number of protons and neutrons
The sum of the masses of all the atoms in a molecule
A group of atoms bonded together
- 6. Multiple Choice
The molecular mass is...
A group of atoms bonded together
The sum of the masses of all the atoms in a molecule
The mass of one mole of a substance
The number of atoms or molecules in 1 mol
- 7. Multiple Choice
A molecule is best described as...
A group of atoms bonded together
Number of protons and neutrons
The mass of one mole of a substance
The number of protons in the nucleus of an atom
- 8. Multiple Choice
A compound is...
A substance made up of atoms of two or more different elements joined by chemical bonds
A chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of the atoms
The number of protons in the nucleus of an atom
A standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles
- 9. Multiple Choice
The molecular formula is...
A chemical formula that shows the number and kinds of atoms in a molecule, but not the arrangement of the atoms
The sum of the masses of all the atoms in a molecule
The mass of one mole of a substance
The number of atoms or molecules in 1 mol; 6.02 x 1023
- 10. Multiple Choice
mol stands for...
An abbreviation for mole
The number of protons in the nucleus of an atom
The sum of the masses of all the atoms in a molecule
Number of protons and neutrons
- 11. Multiple Choice
The atomic number is...
The number of protons in the nucleus of an atom
Number of protons and neutrons
Number of protons and electrons
Number of protons, electrons, and neutrons
- 12. Multiple ChoiceWhat is Avogadro's Number?6.02 x 1023- 6.02 10236.02 x 10226,020,000,000,000
- 13. Multiple ChoiceThe molar mass of an element is the mass of one ____ of the element.atommoleculemolegram
- 14. Multiple Choice
How many moles are in 6.02 x 1023 molecules of H2O?
1 mole
2 moles
6.02 moles
602000000000000000000000 moles
- 15. Multiple Choice
SELECT ALL CORRECT ANSWERS - The mole can be used to measure:
The amount of atoms in an element
The amount of molecules in a covalent substance
The amount of formula units in an ionic compound
The amount of mass an object has
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