Exam 2: Atoms and the Periodic Table

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

The proper electron-dot symbol for aluminum is

(Multiple Choice)
4.9/5
(92)

The nucleus contains most of the mass of an atom and is positively charged.

(True/False)
4.9/5
(65)

The electron cloud contains most of the volume of an atom.

(True/False)
4.9/5
(93)

The element symbol for iron is Fe.

(True/False)
4.9/5
(91)

Which element is most likely to be a good conductor of electricity?

(Multiple Choice)
4.8/5
(79)

An atom of the isotope chlorine-37 consists of how many protons, neutrons, and electrons? (p = proton, n = neutron, e = electron)

(Multiple Choice)
4.8/5
(76)

The chemical formula S8 represents a compound.

(True/False)
4.8/5
(83)

Which element is a nonmetal?

(Multiple Choice)
5.0/5
(90)

Which element is a metal?

(Multiple Choice)
4.8/5
(91)

The number of electrons that an orbital can contain depends on the type of orbital.

(True/False)
4.9/5
(91)

Antimony is a metalloid containing 51 protons that is alloyed with lead and used in car batteries. What is the element symbol for antimony?

(Multiple Choice)
4.8/5
(64)

Isotopes of the same element have the same number of _____.

(Short Answer)
4.8/5
(79)

Which statement concerning the elements fluorine, chlorine, bromine, and iodine is incorrect?

(Multiple Choice)
5.0/5
(92)

Oxygen, carbon, hydrogen, and nitrogen are called the building-block elements because they make up the majority of the mass of the human body.

(True/False)
4.8/5
(80)

What is the symbol for the isotope with A = 31 and Z = 15?

(Multiple Choice)
4.8/5
(69)

Strontium and barium have similar chemical properties.

(True/False)
5.0/5
(97)

Which of the following properly represents the order of orbital filling based on the relative energy of the orbitals?

(Multiple Choice)
4.9/5
(77)

Iodine has smaller ionization energy than chlorine.

(True/False)
4.9/5
(84)

All of the elements in group 2A are metals.

(True/False)
4.8/5
(77)

The active ingredient in the drug Fosamax is a compound with the chemical formula C4H18NNaO10P2. Which statement concerning the chemical formula of this compound is false?

(Multiple Choice)
4.8/5
(83)
Showing 41 - 60 of 90
close modal

Filters

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