FE Review

Use your periodic table to determine which symbols represent different isotopes of the same element.

• Carbon-14 and N-14

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Which table correctly describes subatomic particles?

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Use the periodic table to match the unknowns in the chart to the values provided that would correctly fill the table. Not every answer choice will be used.

• 10. The correct value of Y is…

• A

• 9. The correct value of X is…

• C

• 11. The correct value of Z is…

• AB

• 8. The correct value of W is…

• B

1. The valence shell is made up of which orbital types in an energy level?

• s and p

• s and d

• p and d

• d and f

Which of the following statements is false?

• All electrons take the same amount of energy to remove during ionization

• Group 1 elements tend to form cations with a charge of positive 1

• Electrons of atoms in ground state are in the lowest energy confirmation possible for that atom

• Isotopes are atoms of the same element with same number of protons and different number of neutrons.

Ions are…

• Atoms of an element that have different numbers of protons

• Atoms of an element that have different numbers of neutrons

• Atoms of an element that have different numbers of electrons

• None of the above

Which response accurately gives the portion of the electron configuration showing all valence electrons?

• 3s2

• 3p6

• 3s2 3p6

• 2s2 2p6

Which element is isoelectronic to the calcium cation configuration above?

• Magnesium

• Argon

• Krypton

• Strontium

Which of the following statements about subatomic particles is true?

• Protons and electrons have significant mass and determine the mass number of an atom.

• Electrons have fixed positions outside the nucleus of the atom they cannot move from

• Isotopes are atoms of an element that have the same number of protons and a different number of electrons.

• Atoms can absorb energy through excitation of its electrons.

Which group number does the atom in the diagram belong to?

• 2

• 4

• 16

• 18