does electrons add any mass to the atom?

No, electrons do not contribute to the mass of the atom.

Yes, electrons add a small amount of mass to the atom.

Electrons have a negative mass that cancels out the atom's mass.

Electrons are massless particles and do not affect atomic mass.

Atoms are the smallest particles of energy.

Atoms are made up of molecules.

Atoms are only found in solids.

Where does the mass come from in the nucleus

The mass in the nucleus comes from protons and neutrons.

The nucleus has no mass; it is purely energy.

Mass is solely due to the presence of dark matter.

The mass comes from electrons orbiting the nucleus.

the bigger the nucleus

All nuclei are equally stable regardless of size.

Larger nuclei are always more stable.

Bigger nuclei have no effect on stability.

An isotope is a variant of a chemical element with the same number of protons but different numbers of neutrons.

An isotope is a stable form of a chemical compound with identical atomic mass.

An isotope is an element that has a different number of protons than neutrons.

An isotope is a type of molecule with varying chemical properties.

Democritus Model describes matter as being made up of indivisible atoms.

Democritus Model states that matter is composed of continuous substances.

Democritus Model suggests that atoms can be divided infinitely.

Democritus Model describes matter as being made of four elements: earth, water, air, and fire.

Dallon Model (Atom) describes atomic structure and interactions of subatomic particles.

Dallon Model (Atom) explains the behavior of macroscopic objects.

Dallon Model (Atom) is a theory about planetary motion.

Dallon Model (Atom) focuses on chemical reactions only.

The J.J. Thomson model describes the atom as a sphere of positive charge with embedded electrons.

The J.J. Thomson model depicts the atom as a solid particle with no internal structure.

The J.J. Thomson model suggests that atoms are indivisible and cannot be broken down.

The J.J. Thomson model describes the atom as a nucleus surrounded by a cloud of protons.

Rutherford Model(atom)

Rutherford Model describes the atom as having a dense nucleus surrounded by electrons.

Rutherford Model describes the atom as a uniform cloud of positive charge with electrons scattered throughout.

Rutherford Model suggests that electrons are located in fixed orbits around the nucleus.

Rutherford Model states that atoms are indivisible particles.

Bohr Model describes electrons in fixed orbits around the nucleus.

Bohr Model shows electrons in random paths around the nucleus.

Bohr Model states that electrons can exist anywhere in the atom.

Bohr Model describes the nucleus as a cloud of electrons.

E-cloud Model is a framework for elastic and scalable cloud computing resources.

E-cloud Model is a hardware-based storage solution.

E-cloud Model refers to a specific programming language.

E-cloud Model is a type of physical server.

A quark is a fundamental particle that combines to form protons and neutrons.

A quark is a type of atom found in molecules.

A quark is a subatomic particle that only exists in isolation.

A quark is a form of energy that powers stars.

Who do we use quarks?

Quarks are used to build protons and neutrons in atomic nuclei.

Quarks are used to create electrons in atoms.

Quarks are responsible for chemical bonding between molecules.

Quarks are the primary components of light particles.

Whats a electron cloud

A region around an atomic nucleus where electrons are likely to be found.

A solid structure that contains protons and neutrons.

A type of particle that has a positive charge.

A fixed path that electrons follow around the nucleus.

The atomic number is the number of protons in the nucleus of an atom.

The atomic number is the total number of electrons in an atom.

The atomic number is the mass of an atom measured in atomic mass units.

The atomic number is the number of neutrons in the nucleus of an atom.

The mass number is the sum of protons and neutrons in an atom's nucleus.

The mass number is the total number of electrons in an atom.

The mass number is the average weight of an atom's isotopes.

The mass number is the number of protons only in an atom.

Define Average Atomic Mass

Average atomic mass is the weighted average mass of an element's isotopes.

Average atomic mass is the total mass of all isotopes combined.

Average atomic mass is the mass of the most abundant isotope only.

Average atomic mass is the mass of an element in grams per mole.

What are shells in a atom?

Shells in an atom are energy levels where electrons reside.

Shells are the outermost layer of the atom's nucleus.

Shells are the neutrons found in the nucleus.

Shells are the protons in an atom.

What are the 3 categories of elements?

Alkali Metals, Nonmetals, Metalloids

How do atomic numbers run?

Atomic numbers run in ascending order. (least to greates)

Atomic numbers are randomly assigned.

Atomic numbers are based on atomic mass.

Atomic numbers run in descending order.

Columns have elements that are chemically different?

No, columns have elements that are chemically the same.

No, all elements in a column are identical.

Columns contain only one type of element.

Yes, columns have elements that are chemically different.

Define Periodic Table

The Periodic Table is a chart that organizes all known chemical elements by their atomic number, electron configuration, and recurring chemical properties.

A graphical representation of the solar system's planets.

A collection of historical events and their dates.

A list of all known animals and their habitats.

How did Mendeleev organize his periodic table?

By increasing atomic mass and grouping by chemical properties.

By grouping elements based on their physical size.

By random arrangement without any specific criteria.

By decreasing atomic mass and grouping by color.

Why did Mendeleev leave blank spaces on his periodic table?

To indicate undiscovered elements.

To show the elements' atomic weights.

To represent elements that were too unstable.

To categorize elements by color.

What are the main characteristics we use today on the Periodic Table?

Atomic number, atomic mass, element symbol, electron configuration.

Isotopes, valence electrons, atomic radius

Molecular weight, chemical reactivity, phase at room temperature

What do all elements in the same group have in common?

They have the same number of valence electrons.

They have the same atomic mass.

They have identical chemical properties.

They are all gases at room temperature.

Define Valence Electrons

Valence electrons are the outermost electrons of an atom that participate in chemical bonding.

Valence electrons are the protons in an atom.

Valence electrons are the neutrons that stabilize the nucleus.

Valence electrons are the innermost electrons that do not participate in bonding.

Define Electron Dot Diagram

An Electron Dot Diagram is a graphical representation of the valence electrons of an atom, showing how they are arranged around the atomic symbol.

A diagram showing the protons and neutrons in an atom.

A chart that lists all the elements in the periodic table.

A visual representation of the electron cloud surrounding the nucleus.

What are the three regions' elements are broken up into

alkali metals, noble gases, transition metals

organic compounds, inorganic compounds, isotopes

Atom

Quiz

•

Science

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-8, MS-PS1-1, HS-PS1-7

+5

Standards-aligned

Renee Brocksieker

Used 2+ times

FREE Resource

43 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All matter is made up of....

molecules

cells

compounds

atoms

Atoms are made up of even smaller....

molecules

compounds

subatomic particles

elements

what are the three subatomic particles?

Protons, Neutrons, Photons

Quarks, Gluons, Bosons

Atoms, Molecules, Ions

Protons, Neutrons, Electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are protons and neutrons located?

In the nucleus of an atom.

In the electron cloud surrounding the nucleus.

Floating freely in space outside the atom.

In the outer shell of an atom.

where are electrons located in?

Electrons are located in the protons of an atom.

Electrons are located in the electron cloud around the nucleus of an atom.

Electrons are found in the nucleus of an atom.

Electrons are situated in the outer shell of a molecule.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Protons have a mass of

1 AMU

2 AMU

.0000000000001 AMU

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of protons determines the.....

element identity

chemical reactivity

atomic mass

number of neutrons

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Atom

43 questions

All matter is made up of....

Atoms are made up of even smaller....

what are the three subatomic particles?

Where are protons and neutrons located?

where are electrons located in?

Protons have a mass of

The number of protons determines the.....

the charge pf an electron is

does electrons add any mass to the atom?

Neutrons have what type of charge?

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