Ions and Isotopes Assessment Remediation

What is the definition of an ion?

• An atom with a different number of protons

• An atom with a different number of neutrons

• An atom with a different number of electrons

• An atom with a different number of protons and neutrons

Which subatomic particle changes when an atom becomes an ion?

• Proton

• Neutron

• Electron

• Nucleus

What is the charge of an ion formed by an atom from Group 1 of the periodic table?

• +1

• -1

• +2

• -2

Which of the following is a cation?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are missing or extra in an anion with a charge of -2?

• 1 missing

• 2 extra

• 2 missing

• 1 extra

What is the charge of an ion formed by an atom from Group 16 of the periodic table?

• +2

• -2

• +1

• -1

Which subatomic particle determines if an atom is a different isotope?

• Proton

• Neutron

• Electron

• Nucleus

What is the definition of an isotope?

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with the same number of electrons but different numbers of protons

• Atoms with the same number of neutrons but different numbers of electrons

• Atoms with the same number of protons and electrons

Determine the mass number of the isotope Carbon-14.

• 12

• 13

• 14

• 15

Which of the following ions is an anion?