Understanding Atoms: Ions and Isotopes

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

• Protons, Isotopes, Electrons

• Electrons, Isotopes, Neutrons

• Protons, Neutrons, Ions

• Protons, Neutrons, Electrons

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NGSS.HS-PS1-8

What determines the neutrality of an atom?

• Equal number of protons and electrons

• Equal number of electrons and isotopes

• Equal number of neutrons and isotopes

• Equal number of protons and neutrons

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NGSS.MS-PS1-1

What is a cation?

• A negatively charged ion

• A positively charged ion

• A type of isotope

• A neutral atom

What happens when an atom gains an electron?

• It becomes a cation

• It becomes an anion

• It becomes a neutron

• It becomes a proton

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

What are monatomic ions?

• Ions made up of multiple atoms

• Ions made up of a single atom

• Ions made up of no atoms

• Ions made up of two atoms

What is the difference between monatomic and polyatomic ions?

• Monatomic ions have multiple atoms, polyatomic ions have one

• Both have one atom

• Monatomic ions have one atom, polyatomic ions have multiple

• Both have multiple atoms

Tags

NGSS.MS-PS1-1

What defines an isotope?

• Variation in the number of protons

• Variation in the number of electrons

• Variation in the number of ions

• Variation in the number of neutrons

Tags

NGSS.HS-PS1-8

What is the atomic mass of deuterium?

• 3

• 2

• 1

• 0

Tags

NGSS.HS-PS1-8

Which isotope of hydrogen has no neutrons?

• None

• Proteome

• Tritium

• Deuterium

What is the atomic mass of tritium?

• 3

• 2

• 1

• 4

Tags

NGSS.HS-PS1-8