Atomic Structure 25-26

Multiple Choice

Which of the following are the main subatomic particles that make up an atom?

• Protons, neutrons, and electrons

• Molecules, ions, and atoms

• Quarks, leptons, and bosons

• Neutrons, photons, and gluons

Multiple Choice

Which subatomic particle is responsible for the positive charge in the nucleus of an atom?

• Proton

• Neutron

• Electron

Multiple Choice

What is the location of the electron?

• the free floating negatively charged electron cloud
• the positively charged very dense nucleus

Multiple Choice

Where are neutrons located?

• alone outside of the nucleus

• in the nucleus of the atom, along with protons

Multiple Choice

The three basic subatomic particles are protons, electrons, and neutrons. Which of the following particles has the smallest mass?

• electrons

• protons

• neutrons

​Weighted

Hotspot

Which letter represents the atomic number

Hotspot

Which of the numbers indicates the atomic number?

Multiple Choice

The atomic number represents the number of ___________?

• Protons

• Neutrons

• Electrons

Multiple Choice

What determines the identity of an element?

• Proton

• Neutron

• Electron

Hotspot

Which letter represents the atomic mass?

Multiple Select

Which of the following statements about mass number are correct?

• It is equal to the sum of protons and neutrons.

• It represents the atom's total mass.

• It is always the same as the atomic number.

Multiple Choice

A certain atom has 26 protons, 26 electrons, and 30 neutrons. What is its mass number?

• 26

• 56

• 30

Multiple Choice

If a carbon atom has six protons and has a mass of 13, how many neutrons are in that carbon atom?

• 6

• 7

• 8

Multiple Choice

Explain why a neutral atom has the same number of protons and electrons.

• To balance the atomic mass

• To ensure the atom is stable

• To maintain electrical neutrality

Multiple Choice

If a neutral atom has 8 protons, how many electrons does it have?

• 7

• 8

• 9

Multiple Choice

According to the Bohr Model, what is the maximum number of electrons that can be held in the second shell of an atom?

• 2

• 8

• 18

Multiple Choice

The innermost 1st energy level has a maximum of how many electrons?

• 1

• 2

• 8

Multiple Choice

According to the octet rule, how many electrons do atoms generally need in their outer shell to be most stable?

• 6

• 8

• 10

Multiple Choice

What is an ion?

• A Charged Atom
• A Large Atom
• A Non-charged Atom

• A Small Atom

Multiple Choice

An atom becomes _______ when it loses electrons.

• Positive
• Negative

Multiple Choice

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Multiple Choice

What is the charge on an anion?

• Positive

• Negative

• Neutral

Multiple Select

Which of the following statements about ions are correct?

• Cations are formed by gaining electrons.

• Anions have more electrons than protons.

• Cations have a net positive charge.

• Anions are formed by gaining electrons.

Multiple Choice

What are the three main subatomic particles that make up an atom?

• Protons, neutrons, and electrons

• Protons, neutrons, and photons

• Electrons, positrons, and neutrons

• Protons, electrons, and photons

Multiple Choice

Which subatomic particle determines the identity of an element?

• Neutron

• Proton

• Electron

• Valence electron

Open Ended

How does the arrangement of protons, neutrons, and electrons in an atom affect its properties and interactions with other atoms?