Exam 2: Atoms and the Periodic Table

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

An atom containing 47 protons,47 electrons,and 60 neutrons has a mass number of

(Multiple Choice)
4.8/5
(35)

An atom that contains 47 protons,47 electrons,and 60 neutrons is an isotope of

(Multiple Choice)
4.8/5
(32)

How many electrons can occupy the shell having n = 2?

(Multiple Choice)
4.8/5
(32)

Explain the term "quantized" as it applies to the energy of electrons.(Optional: Be sure to include an example that has not been previously mentioned of something that is quantized. )

(Essay)
4.8/5
(45)

In a neutral atom the number of ________ is equal to the number of ________.

(Multiple Choice)
4.8/5
(36)

Which group contains only metalloids?

(Multiple Choice)
4.8/5
(40)

The shell having n = 2 contains ________ subshells,________ orbitals,and up to ________ electrons.

(Multiple Choice)
4.8/5
(36)

The value for Z for an atom containing 47 protons,47 electrons,and 60 neutrons is

(Multiple Choice)
4.8/5
(37)

How many electrons can occupy the shell having n = 4?

(Multiple Choice)
4.8/5
(37)

Protons possess a ________ charge,and neutrons possess a ________ charge.

(Multiple Choice)
4.9/5
(46)

The number of neutrons in an atom is equal to:

(Multiple Choice)
4.8/5
(29)

Which particle has a mass approximately equal to the mass of a proton?

(Multiple Choice)
4.7/5
(36)

The element with the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1 is

(Multiple Choice)
4.7/5
(31)

The ground state electron configuration for nickel is

(Multiple Choice)
5.0/5
(35)

Cobalt is element 27.Cobalt-60 is used in the medical treatment of cancer.How many neutrons and protons are contained in the nucleus of this isotope?

(Multiple Choice)
4.7/5
(36)

Consider the isotope Consider the isotope   Br.The atomic number is ________,and the mass number is ________. Br.The atomic number is ________,and the mass number is ________.

(Multiple Choice)
5.0/5
(35)

Which of the following represents a pair of isotopes?

(Multiple Choice)
4.7/5
(39)

Magnesium is an example of a(an)

(Multiple Choice)
4.8/5
(37)

The electron configuration for phosphorus is

(Multiple Choice)
5.0/5
(33)

Valence electrons in the main group elements are contained in which type(s)of orbitals?

(Multiple Choice)
4.7/5
(36)
Showing 21 - 40 of 91
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)