Atoms Quiz-8th Grade-2023-2024

What is the smallest particle of an element that retains the properties of that element?

• atom

• proton

• cell

• molecule

Tags

NGSS.MS-PS1-1

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

• Photons, neutrons, and electrons

• Protons, positrons, and electrons

• Protons, neutrons, and electrons

• Neutrons, electrons, and quarks

What is the charge of a proton?

• +1

• 0

• 2

• -1

What is the charge of an electron?

• 1

• 2

• 0

• -1

Tags

NGSS.MS-PS2-3

What is the charge of a neutron?

• Neutral

• Positive

• Negative

• Zero

Where are protons and neutrons located in an atom?

• In the cytoplasm

• In the electron cloud

• In the outer shell

• In the nucleus

Where are electrons located in an atom?

• Nucleus

• Electron cloud

• Neutron cloud

• Proton shell

What is the atomic number of an element?

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

• The atomic number of an element is the number of electrons in the nucleus of an atom.

• The atomic number of an element is the number of molecules in the nucleus of an atom.

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

What is the mass number of an element?

• The mass number of an element is the total number of protons in the nucleus of an atom.

• The mass number of an element is the total number of electrons and protons in the nucleus of an atom.

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

• The mass number of an element is the total number of protons and neutrons in the nucleus of an atom.

What is the difference between atomic number and mass number?

• The atomic number is the number of protons in an atom, while the mass number is the sum of protons and neutrons in the nucleus.

• The atomic number is the sum of protons and neutrons in the nucleus, while the mass number is the number of electrons.

• The atomic number is the number of neutrons in an atom, while the mass number is the sum of protons and electrons.

• The atomic number is the number of electrons in an atom, while the mass number is the number of protons.

Tags

NGSS.MS-PS1-5