Question 1

Indicate the number of dots that should be placed around the Lewis symbol for the following element. Use an integer: 1, 2, 3, etc. as appropriate. Br

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Question 2

Write the chemical symbol for the elements that is in period 2 and group 8A of the periodic table.

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Question 3

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. There are _______mol is 72.36 g of citric acid, C₆H₈O₇.

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Question 4

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C₁₂H₂₂O₁₁. How many oxygen atoms would be in 3 formula units of sucrose? ____________________oxygen atoms.

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Question 5

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 5.00 mol of oxygen atoms is _____________g.

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Question 6

Write the name of the following element. Sn

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Question 7

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF₂ . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula? Chemical symbol:_____________________.

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Question 8

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -¹⁴N and ¹⁵N have the same number of _____________________.

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Question 9

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -¹⁴N and ¹⁵O have the same number of _____________________.

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Question 10

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. There are _______mol is 54.05 g of boron.

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Question 11

Enter an integer number (1, 2, 3, ...) in the blank. How many electrons are in shell 2 of a P atom?
____________________electrons

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Question 12

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 7.00 mol of sodium chloride, NaCl, is _____________g.

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Question 13

Classify the following statement as representing an intensive or extensive property by placing intensive or extensive in the blank. "Vinegar tastes sour.": _________________

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Question 14

Convert the following mass moles. 22.98 g glycine, an amino acid, C₂H₅NO₂.

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Question 15

Fill in each blank with the appropriate term from the list given below. 
protons
neutrons
electrons
valence electrons
-N, P and As have the same number of_____________________.

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Question 16

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C₁₂H₂₂O₁₁. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent? ____________________formula units.

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Question 17

Enter the chemical symbol of the element in the blank. An element in period 3 has the Lewis structure:  X should be replaced with what chemical symbol?
Chemical symbol:_____________________.

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The answer of Enter the chemical symbol of the element...

Quiz 2: Atoms, Elements, and Compounds

Indicate the number of dots that should be placed around the Lewis symbol for the following element. Use an integer: 1, 2, 3, etc. as appropriate. Br

Write the chemical symbol for the elements that is in period 2 and group 8A of the periodic table.

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. There are _______mol is 72.36 g of citric acid, C6H8O7.

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C12H22O11. How many oxygen atoms would be in 3 formula units of sucrose? ____________________oxygen atoms.

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 5.00 mol of oxygen atoms is _____________g.

Write the name of the following element. Sn

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF2 . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula? Chemical symbol:_____________________.

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -14N and 15N have the same number of _____________________.

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -14N and 15O have the same number of _____________________.

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. There are _______mol is 54.05 g of boron.

Enter an integer number (1, 2, 3, ...) in the blank. How many electrons are in shell 2 of a P atom? ____________________electrons

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. The mass of 7.00 mol of sodium chloride, NaCl, is _____________g.

Classify the following statement as representing an intensive or extensive property by placing intensive or extensive in the blank. "Vinegar tastes sour.": _________________

Convert the following mass moles. 22.98 g glycine, an amino acid, C2H5NO2.

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -N, P and As have the same number of_____________________.

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C12H22O11. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent? ____________________formula units.

Enter the chemical symbol of the element in the blank. An element in period 3 has the Lewis structure: X should be replaced with what chemical symbol? Chemical symbol:_____________________.

Based on the text periodic table and using the correct number of significant figures, enter the appropriate number in the blank. There are _______mol is 72.36 g of citric acid, C₆H₈O₇.

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C₁₂H₂₂O₁₁. How many oxygen atoms would be in 3 formula units of sucrose? ____________________oxygen atoms.

Enter the chemical symbol of the element in the blank. Calcium forms the compound CaF₂ . What other alkaline earth element with a smaller atomic mass would form a compound with a similar formula? Chemical symbol:_____________________.

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -¹⁴N and ¹⁵N have the same number of _____________________.

Fill in each blank with the appropriate term from the list given below. protons neutrons electrons valence electrons -¹⁴N and ¹⁵O have the same number of _____________________.

Convert the following mass moles. 22.98 g glycine, an amino acid, C₂H₅NO₂.

Enter an integer number (1, 2, 3, ...) in the blank. Sucrose (table sugar) has the formula C₁₂H₂₂O₁₁. A sample of sucrose contains 2400 carbon atoms. How many formula units does this represent? ____________________formula units.