7.PS1.1 Practice for CFA

Multiple Choice

Which choice has the subatomic particles in the correct order?

• A is Neutron

  B is Electron

  C is Proton

• A is Proton

  B is Electron

  C is Neutron

• A is Proton

  B is Neutron

  C is Electron

• A is Electron

  B is Neutron

  C is Proton

Multiple Choice

Which particles are so small that they are almost non-existent?

• electrons

• negatrons

• neutrons

• protons

Multiple Choice

Rutherford's Gold foil experiment led him to discover ___________ .

• plum pudding

• the nucleus

• the electron cloud

• the atomic cloud

Multiple Choice

Label X is pointing to...

• atomic mass

• atomic number

• atomic weight

• atomic symbol

Multiple Choice

Thomson's Plum Pudding Model was best represented as _________.

• The plum pieces represent positive protons. The cake-like (pudding) represents a negative nucleus

• The plum pieces represent neutral neutrons. The cake-like (pudding) represents a negative electron

• The plum pieces represent negative protons. The cake-like (pudding) represents a positive electron

• The plum pieces represent negatively charged electrons. The cake-like (pudding) represents a positive charge.

Multiple Choice

The cathode ray experiment by J. J. Thompson led him to discover ________.

• plum pudding

• the nucleus

• the electron

• the atomic cloud

Multiple Choice

Label Z is pointing to...

• atomic mass

• atomic number

• number of neutrons

• atomic symbol

Multiple Choice

Which element is represented by this atomic model?

Multiple Choice

How many PROTONS and NEUTRONS are in an atom of the element?

• 17 protons and 17 neutrons

• 17 protons and 18 neutrons

• 18 protons and 17 neutrons

• 18 protons and 18 neutrons

Multiple Choice

This is a diagram of an oxygen atom.

What is the mass number of oxygen?

• 0

• 8

• 16

• 24

Multiple Choice

The image shows two different atomic models made by two students.

What can be concluded about the models?

• Both models are accurate because they show protons and electrons inside the nucleus.

• Model 1 is accurate because the numbers of protons and electrons inside the atom are the same.

• Both models are accurate because they contain positively charged protons and negatively charged electrons.

• Model 2 is accurate because it shows protons and neutrons at the center of the atom and electrons in orbits around the center.

Multiple Choice

Which charge is POSITIVE?

• Proton

• Neutron

• Electron

• Cell

Multiple Choice

Which charge is NEGATIVE?

• Proton

• Neutron

• Electron

• Cell

Multiple Choice

Which particle is NEUTRAL - NO CHARGE?

• Proton

• Neutron

• Electron

• Cell

• Nucleus

Multiple Choice

All of the COLUMNS on the Periodic Table are called?

• Periods

• Rows

• Groups

• Lines

Multiple Choice

All of the ROWS on the Periodic Table are called what?

• Periods

• Groups

• Columns

• Lines

Multiple Choice

Which type of particle would you find floating around the nucleus, outside of the atom with its negative charges?

• Proton

• Neutron

• Electron

• Nucleus

Multiple Choice

Which TWO particles are found housed in the nucleus of the atom?

• Protons and Electrons

• Protons and Neutrons

• Electrons and Neutrons

• Protons, Neutrons, and Electrons

Match

Match the Following

• Element

• Atom

• Nucleus

• Proton

• Neutron

A substance that cannot be broken down into simpler substances by chemical means.

The smallest unit of an element that keeps the element’s chemical properties.

The dense center of an atom containing protons and neutrons.

Positively charged particles found in the nucleus of an atom.

Particles with a neutral charge found in the nucleus of an atom.

• A substance that cannot be broken down into simpler substances by chemical means.

• The smallest unit of an element that keeps the element’s chemical properties.

• The dense center of an atom containing protons and neutrons.

• Positively charged particles found in the nucleus of an atom.

• Particles with a neutral charge found in the nucleus of an atom.

Multiple Choice

The nucleus of an atom is made of

• electrons and protons
• electrons and neutrons
• protons and neutrons
• empty space

Multiple Choice

The three subatomic particles are

• proton, nucleus, electron

• atom, element, compound

• atom, element, molecule

• proton, neutron, electron

Multiple Choice

The nucleus is ____________ charged.

• positively

• negatively

• neutral

Multiple Choice

The area around the nucleus of an atom where the atom's electrons are most likely to be found is called

• electron cloud

• quark

• electron

• nucleus

Multiple Choice

99.9% of the atom's mass is found where?

• nucleus

• protons

• electron cloud

• neutrons

Multiple Choice

What is 'E' pointing to?

• electron cloud

• electron

• nucleus

• proton

• neutron

Multiple Choice

How many neutrons does this isotope of lithium have?

• 8
• 3
• 4
• 5

Multiple Choice

What is the overall charge of an ion with 9 protons, 10 neutrons and 10 electrons?

• 0

• +9

• +1

• -1

Multiple Choice

Which model is correct. Pick the reason below that states why correctly

• Both models- because they show protons and electrons inside the nucleus.

• Model 1-

  because the numbers of protons and electrons inside the atom are the same

• Both models- because they contain positively charged protons and negatively charged electrons.

• Model 2-

  because it shows protons and neutrons at the center of the atom and electrons in orbits around the center.

Multiple Choice

An atom has an atomic number of 3 and an atomic mass that rounds to 7.

How many protons and neutrons are in the atom?

• 3 protons and

  3 neutrons

• 4 protons and

  3 neutrons

• 4 protons and

  4 neutrons

• 3 protons and

  4 neutrons

Multiple Choice

A neutral atom of the element sodium has 11 protons and ____ electrons.

• 22
• 23
• 8
• 11

Multiple Choice

Which of the subatomic particles is the heaviest?

• electrons 
• protons 
• neutrons 
• protons and neutrons have equal mass

Match

Match the charge with the correct subatomic particle.

• Electron

• Neutron

• Proton

- 1

0

+ 1

• - 1

• 0

• + 1

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