The smallest unit of an element that retains its chemical properties.

A molecule made up of two or more different elements.

A fundamental particle that makes up the nucleus of an atom.

A type of subatomic particle found in the electron cloud.

What are the subatomic particles that make up an atom?

Electrons, protons, and photons.

Neutrons, electrons, and quarks.

Positrons, electrons, and muons.

How are protons and neutrons similar?

Both protons and neutrons are located in the nucleus of an atom.

Both protons and neutrons have a negative charge.

Protons and neutrons are both found in the electron cloud of an atom.

Protons and neutrons are both fundamental particles.

What determines the mass of an atom?

The number of electrons in the atom.

The total number of subatomic particles in the atom.

How do electrons differ from protons and neutrons?

Electrons have a much smaller mass compared to protons and neutrons.

Electrons have a positive charge, while protons and neutrons have a negative charge.

Electrons are located in the nucleus of an atom, while protons and neutrons are in the electron cloud.

Electrons are found in the nucleus of an atom, while protons and neutrons orbit the nucleus.

What are the electrical charges of electrons, protons, and neutrons?

Electrons are negatively charged, protons are positively charged, and neutrons are electrically neutral.

Electrons are positively charged, protons are negatively charged, and neutrons are electrically neutral.

Electrons, protons, and neutrons all have the same positive charge.

Electrons, protons, and neutrons all have the same negative charge.

How do the number of protons and electrons in an atom affect its electrical charge?

If the number of protons is greater than the number of electrons, the atom has a positive charge; if the number of electrons is greater, the atom has a negative charge.

The number of protons and electrons have no effect on the electrical charge of an atom.

If the number of protons is greater than the number of electrons, the atom has a negative charge; if the number of electrons is greater, the atom has a positive charge.

The electrical charge of an atom is determined solely by the number of neutrons it contains.

What is the difference in sizes among subatomic particles?

Electrons are much smaller than protons and neutrons.

Electrons are larger than protons and neutrons.

Protons are larger than electrons and neutrons.

Neutrons are larger than electrons and protons.

Where are protons, neutrons, and electrons located in the atom?

Protons and neutrons are located in the nucleus, while electrons are in the electron cloud surrounding the nucleus.

Protons are located in the electron cloud, neutrons are found in the nucleus, and electrons orbit the nucleus.

Protons, neutrons, and electrons are all located in the electron cloud surrounding the nucleus.

Protons are found in the electron cloud, neutrons orbit the nucleus, and electrons are located in the nucleus.

Which of the following statements provides the most accurate description of atoms?

The smallest unit of an element

Particles too small to have mass

How should Jack utilize beads in constructing a model to illustrate the behavior of atoms within a liquid effectively?

The beads should be able to slide past each other.

The beads should be attached to each other and not move.

The beads should move back and forth in the same place.

The beads should be far apart and move very fast.

In Hunter's drawing depicting gas atoms moving freely at high speeds, what adjustments should he make to the illustration to accurately represent the same substance in the solid phase?

Atoms should be closely packed together.

There should be increased movement of the atoms.

There should be very wide spaces between the atoms.

The shape of atoms must be the shape of the container.

The diagram displays an atom divided into two regions: the nucleus (1) and the region surrounding the nucleus (2). What is the distribution of protons, neutrons, and electrons within the atom?

Protons and neutrons in region 1, electrons orbiting in region 2

Protons and electrons in region 1, neutrons orbiting in region 2

Electrons and neutrons in region 1, protons orbiting in region 2

Protons in region 1, neutrons and electrons orbiting in region 2

How should Morgan employ beads in constructing a model to effectively depict the motion of atoms in a gas?

The beads should be far apart and move very fast.

The beads should be able to move around each other.

The beads should be glued together and not move.

The beads should vibrate slowly in the same place.

Which of the following accurately identifies the three smaller constituents that compose atoms?

Neutrons, electrons, and protons

In Luis's depiction of solid-state atoms, where atoms are closely packed and vibrating while maintaining their relative positions, what modifications should he implement in the illustration to faithfully portray the same substance in the liquid phase?

There should be increased movement of the atoms.

Each individual atom should be much larger.

There should be very wide spaces between the atoms.

The shape of atoms must be the shape of the container

In Kaylee's drawing depicting liquid-state atoms, where atoms are loosely packed, vibrating, and moving around each other, what adjustments should she implement in the illustration to accurately represent the same substance in the gas phase?

There should be very wide spaces between the atoms.

There should be less space between the atoms.

Each individual atom should be much larger.

The shape of atoms must be the shape of the container.

Atoms

Authored by Austin Ritenour

Science

8th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the smallest particle of an element; made of electrons, protons, and neutrons?

Atom

Electron

Nuclear Model of the Atom

Scientific Notation

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of an atom, approximately equal to the number of protons and neutrons in the atom?

Atomic Mass

Electron Cloud

Nucleus

Subatomic Particles

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a property of matter determined by the number of positively charged protons and negatively charged electrons in a material?

Electrical Charge

Neutron

Proton

Atom

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a negatively charged subatomic particle located in the electron cloud; involved in the formation of chemical bonds?

Electron

Nuclear Model of the Atom

Scientific Notation

Atomic Mass

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the area surrounding the nucleus of an atom where the electrons are found?

Electron Cloud

Nucleus

Subatomic Particles

Electrical Charge

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a neutrally charged subatomic particle located in the nucleus of an atom; contributes to the mass of the atom?

Neutron

Proton

Atom

Electron

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a conceptual model of the atom in which a small, positively charged nucleus is surrounded by planetary electrons?

Nuclear Model of the Atom

Scientific Notation

Atomic Mass

Electron Cloud

Tags

NGSS.MS-PS1-1

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Atoms

What is the smallest particle of an element; made of electrons, protons, and neutrons?

What is the mass of an atom, approximately equal to the number of protons and neutrons in the atom?

What is a property of matter determined by the number of positively charged protons and negatively charged electrons in a material?

What is a negatively charged subatomic particle located in the electron cloud; involved in the formation of chemical bonds?

What is the area surrounding the nucleus of an atom where the electrons are found?

What is a neutrally charged subatomic particle located in the nucleus of an atom; contributes to the mass of the atom?

What is a conceptual model of the atom in which a small, positively charged nucleus is surrounded by planetary electrons?

What is the tiny, very dense, positively charged region in the center of an atom that is made up of protons and neutrons?

What is a positively charged subatomic particle located in the nucleus of an atom; contributes to the mass of the atom?

What are numbers written in terms of a decimal number between one (1.0) and ten (10.0) multiplied by a power of ten; for example, the scientific notation for 10,492 is 1.0492 x 10⁴?

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