Question 1

Atoms are created from elements, all of which are located on the Periodic Table. Atoms, which are the smallest particles on Earth, are made up of several different parts. The part of the atom that is located in the outer layers is the-

Accepted Answer

part of the atom with a negative charge and no mass.

Answer

part of the atom with a mass and no charge.

Answer

part of the atom with no charge and no mass.

Answer

part of the atom with no charge and a small mass.

Question 2

Which of these is NOT found in the nucleus of an atom?

Accepted Answer

Electrons

Answer

Atomic Mass

Answer

Neutrons

Answer

Protons

Question 3

Most of the volume (size) of an atom is occupied by —

Accepted Answer

empty space

Answer

protons

Answer

neutrons

Answer

the nucleus

Question 4

Which of the atoms below has the lowest mass number?

Accepted Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/1911d47b049aa208635e4491887fa5d98cfac7d2.PNG

Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/148adf3150817731bcdcaed26d327186cda6cdfc.PNG

Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/1689b422a6ddddfad9a17f59808a271dd24d00b6.PNG

Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/754eafd5190af2ea7b8eb2facb0f21187bfb284e.png

Question 5

Which of the following is the atomic number of the atom represented in the above graphic?

Accepted Answer

16

Answer

18

Answer

17

Answer

33

Question 6

Which of the following is the mass number of the atom represented in the above graphic?

Accepted Answer

33

Answer

16

Answer

18

Answer

17

Question 7

According to the Periodic Table, which of the following is the most accurate model of an atom of boron?

Accepted Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/8e7c48dc8fff04a01ffc9126419f372eccd92058.PNG

Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/633369aea2f68b784939a91ad0aedd163d59ef07.PNG

Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/c0a61a9ee9be68df0cd41f2d5e2343d1470c438a.PNG

Answer

https://uploads.quizalize.com/90fbbc9f-15e3-4d0e-8c52-5a6de81d1a56/question/7b93557a46fdd32d376a0ed40ec1951e302197b6.png

Question 8

Which subatomic particle(s) surround(s) the nucleus of an atom?

Accepted Answer

electrons only

Answer

neutrons only

Answer

protons and neutrons

Answer

neutrons and electrons

Question 9

Which of the following correctly represents the electrical charges of the subatomic particles in the above graphic?

Accepted Answer

I - negative charge, II – positive charge, III – no charge

Answer

I - no charge, II – positive charge, III – negative charge

Answer

I - no charge, II – negative charge, III – positive charge

Answer

I - positive charge, II – negative charge, III – no charge

Question 10

Which of the following is a limitation of the above graphic?

Accepted Answer

The electrons are the same size as the protons and neutrons.

Answer

The neutrons are located in the nucleus of the atom.

Answer

The protons are located in the nucleus of the atom.

Answer

The electrons are in the orbital surrounding the nucleus.

Question 11

Which subatomic particle has the least mass; less than 1 amu?

Accepted Answer

electron

Answer

neutron

Answer

proton

Answer

nucleuses

Question 12

Which of the following correctly describes the electrical charges of subatomic particles?

Accepted Answer

Protons/positive; neutrons/neutral; electrons/negative

Answer

Protons/neutral; neutrons/positive; electrons/negative

Answer

Protons/positive; neutrons/negative; electrons/neutral

Answer

Protons/negative; neutrons/neutral; electrons/negative

Question 13

Which subatomic particles have approximately the same mass of 1 amu?

Accepted Answer

Neutron and proton

Answer

Proton and neutrino

Answer

Electron and proton

Answer

Electron and neutron

Question 14

What is the electrical charge of the nucleus of an atom that has 11 protons, 12 neutrons, and 11 electrons?

Accepted Answer

+11

Answer

-23

Answer

+23

Answer

-11

Question 15

A model of a lithium atom is shown below.

Which of the following best describes the neutron?

Accepted Answer

Neutrons have no charge and similar mass compared to protons.

Answer

Neutrons have no charge and similar mass compared to electrons.

Answer

Neutrons have negative charge and similar mass compared to electrons.

Answer

Neutrons have negative charge and similar mass compared to protons.

Question 16

An atom of a certain element is solid at room temperature, very stable, conducts electricity, and is magnetic. This atom has an atomic number of 26 and a mass number of 56. How many neutrons are in this atom?

Accepted Answer

30

Answer

26

Answer

82

Answer

56

Question 17

What subatomic particles are found in the nucleus of the atom and how does that contribute to the overall charge of the nucleus?

Accepted Answer

Neutrons and protons only with an overall positive charge

Answer

Neutrons and protons only with an overall negative charge

Answer

Neutrons and electrons only with an overall negative charge

Answer

Protons and electrons only with an overall neutral charge

Question 18

Observe the model of the atom above. In 1913, Niels Bohr proposed a model that illustrates the locations of subatomic particles. While models of the atom have changed with new understanding, the location of the subatomic particles in current models remains similar to Bohr’s model. Which of the following best describes the locations of the three subatomic particles in atoms?

Accepted Answer

Protons and neutrons are located in the nucleus of the atom, and electrons are located in the cloud around the nucleus.

Answer

Electrons are located in the nucleus of the atom, and protons and neutrons are located in the cloud around the nucleus.

Answer

Protons and electrons are located in the cloud around the nucleus, and neutrons are located in the nucleus of the atom.

Answer

Protons and neutrons are located in the cloud around the nucleus, and electrons are located in the nucleus of the atom.

Question 19