Question 1

Fill in the blanks in the following sentences using words from the following response list:
  
Items in the response list may be used more than once or need not be used at all.
-The mass number for an atom equals the sum of the __________ and __________ in the atom's nucleus.

Accepted Answer

The answer of Fill in the blanks in the following...

Question 2

Fill in the blanks in the following sentences using words from the following response list:
  
Items in the response list may be used more than once or need not be used at all.
-The mass of a __________ (a neutral species) is many times greater than the mass of an electron and is approximately the same as the mass of a __________.

Accepted Answer

The answer of Fill in the blanks in the following...

Question 3

Fill in the blanks in the following sentences using words from the following response list:
  
Items in the response list may be used more than once or need not be used at all.
-The __________ possesses a plus one charge, the __________ a minus one charge, and the __________ has no charge.

Accepted Answer

The answer of Fill in the blanks in the following...

Question 4

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of elements in the compound Al₂SO₄

Accepted Answer

The answer of Place in the blank the letter of...

Question 5

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of atoms in the formula Ca(HCO₃)₂

Accepted Answer

The formula Ca(HCO₃)₂ contains 1 calcium (Ca) atom, 2 hydrogen (H) atoms, 2 carbon (C) atoms, and 6 oxygen (O) atoms, totaling 11 atoms.

Question 6

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of neutrons in

Accepted Answer

The answer of Place in the blank the letter of...

Question 7

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Number of electrons in

Accepted Answer

The answer of Place in the blank the letter of...

Question 8

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Number of subatomic particles in

Accepted Answer

The answer of Place in the blank the letter of...

Question 9

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Number of protons in

Accepted Answer

The answer of Place in the blank the letter of...

Question 10

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Identity of X in

Accepted Answer

The answer of Place in the blank the letter of...

Question 11

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Mass number of a K isotope containing 21 neutrons

Accepted Answer

The mass number of an isotope is the sum of its protons and neutrons. Potassium (K) has 19 protons, so with 21 neutrons, the mass number is 19 + 21 = 40.

Question 12

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Mass number of an isotope containing 45 protons and 58 neutrons

Accepted Answer

The mass number of an isotope is the sum of its protons and neutrons, which in this case is 45 + 58 = 103.

Question 13

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ An isobar of

Accepted Answer

The answer of Place in the blank the letter of...

Question 14

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ An atom of Cu containing an equal number of protons, neutrons and electrons

Accepted Answer

The answer of Place in the blank the letter of...

Question 15

Place in the blank the letter of the correct response in each horizontal row of choices.
-________ Nuclear charge of

Accepted Answer

The answer of Place in the blank the letter of...

Question 16

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all.
-________ Has a mass number of 80

Accepted Answer

The answer of For each description on the left select...

Question 17

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all.
-________ Has an equal number of protons and neutrons

Accepted Answer

The answer of For each description on the left select...

Question 18

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all.
-________ Has more electrons than neutrons

Accepted Answer

The answer of For each description on the left select...

Question 19

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all.
-________ Has more neutrons than electrons

Accepted Answer

The answer of For each description on the left select...

Question 20

Fill in the chart below for each of the following isotopes. Be careful there may be more than one ion present.

Accepted Answer

The answer of Fill in the chart below for each...

Quiz 5: Atoms, Molecules, Formulas, and Subatomic Particles

Fill in the blanks in the following sentences using words from the following response list: Items in the response list may be used more than once or need not be used at all. -The mass number for an atom equals the sum of the and in the atom's nucleus.

Fill in the blanks in the following sentences using words from the following response list: Items in the response list may be used more than once or need not be used at all. -The possesses a plus one charge, the a minus one charge, and the __ has no charge.

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of elements in the compound Al₂SO₄

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of atoms in the formula Ca(HCO₃) ₂

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of neutrons in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of electrons in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of subatomic particles in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of protons in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Identity of X in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Mass number of a K isotope containing 21 neutrons

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Mass number of an isotope containing 45 protons and 58 neutrons

Place in the blank the letter of the correct response in each horizontal row of choices. -________ An isobar of

Place in the blank the letter of the correct response in each horizontal row of choices. -________ An atom of Cu containing an equal number of protons, neutrons and electrons

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Nuclear charge of

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has a mass number of 80

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has an equal number of protons and neutrons

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has more electrons than neutrons

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has more neutrons than electrons

Fill in the chart below for each of the following isotopes. Be careful there may be more than one ion present.

Quiz 5: Atoms, Molecules, Formulas, and Subatomic Particles

Fill in the blanks in the following sentences using words from the following response list: Items in the response list may be used more than once or need not be used at all. -The mass number for an atom equals the sum of the __________ and __________ in the atom's nucleus.

Fill in the blanks in the following sentences using words from the following response list: Items in the response list may be used more than once or need not be used at all. -The __________ possesses a plus one charge, the __________ a minus one charge, and the __________ has no charge.

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of elements in the compound Al2SO4

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of atoms in the formula Ca(HCO3) 2

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of neutrons in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of electrons in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of subatomic particles in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of protons in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Identity of X in

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Mass number of a K isotope containing 21 neutrons

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Mass number of an isotope containing 45 protons and 58 neutrons

Place in the blank the letter of the correct response in each horizontal row of choices. -________ An isobar of

Place in the blank the letter of the correct response in each horizontal row of choices. -________ An atom of Cu containing an equal number of protons, neutrons and electrons

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Nuclear charge of

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has a mass number of 80

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has an equal number of protons and neutrons

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has more electrons than neutrons

For each description on the left select the correct atom from the response list on the right. Responses may be used more than once or need not be used at all. -________ Has more neutrons than electrons

Fill in the chart below for each of the following isotopes. Be careful there may be more than one ion present.

Fill in the blanks in the following sentences using words from the following response list: Items in the response list may be used more than once or need not be used at all. -The mass number for an atom equals the sum of the and in the atom's nucleus.

Fill in the blanks in the following sentences using words from the following response list: Items in the response list may be used more than once or need not be used at all. -The possesses a plus one charge, the a minus one charge, and the __ has no charge.

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of elements in the compound Al₂SO₄

Place in the blank the letter of the correct response in each horizontal row of choices. -________ Number of atoms in the formula Ca(HCO₃) ₂