Question # 1 (Multiple Answer) Metals can be imagined as a

A) number of positive ions in a sea of moving electrons
B) mobile atoms held together by metallic bonds
C) groups of strongly electronegative electron attractors

Question # 2 (Multiple Answer) In going from left to right in a given period metallic elements show

A) increased reactivity due to decreased atomic radius
B) decreased reactivity due to increased number of outer shell electrons
C) increased nuclear charge causing atoms to hold electrons more strongly

Question # 3 (Multiple Answer) All the members of Period 3 of the Period Table are similar in that they all have one or more

A) 3s electrons
B) 2p electrons
C) 3p electrons

Question # 4 (Multiple Answer) From top to bottom of a family on the Periodic Table

A) the atomic radius increases
B) the electronegativity increases
C) the number of valence electron(s) increases

Question # 5 (Multiple Answer) All atoms of hydrogen

A) have an atomic number of 1
B) contain at least one neutron
C) have an atomic mass of 1 u

Question # 6 (Multiple Answer) When forming covalent bonds between different atoms, as in the molecule HCl, the electrons will be found

A) near the more electronegative atom forming polar bond
B) near the atom with the least ionization potential forming polar bonds
C) equidistance between the atoms forming a nonpolar bond

Question # 7 (Multiple Answer) A substance with a low melting point probably

A) has covalent bonding
B) has ionic bonding
C) is made up of nonpolar molecules

Question # 8 (Multiple Answer) A particle has the electron configuration: 1s2, 2s2, 2p6

A) has 3 filled outer orbitals and 3 partially filled orbitals
B) could be either a positive or a negative ion
C) has the electron configuration of a noble gas

Question # 9 (Multiple Answer) During the hydrogen bonding the exposed proton of one hydrogen atom is attracted to

A) the electronegative nonmetal of a nearby molecule
B) the electrons of a nearby atom
C) any atom possessing low first ionization potentials

Question # 10 (Multiple Answer) According to modern atomic theory

A) electrons move in definite orbits around the nucleus
B) electrons can only be found in the ground state
C) electrons may absorb energy and move to higher energy levels

Question # 11 (Multiple Answer) Hydrogen bonds tend to be formed between hydrogen and

A) atoms with large atomic radii
B) atoms with high electronegativities
C) atoms in another molecule

Question # 12 (Multiple Answer) When an electron in an atom moves from an excited state to the ground state:

A) the total energy of the atom decreases
B) the atom becomes more stable
C) the atom emits energy

Question # 13 (Multiple Answer) The tendency of atoms to lose electrons increases from top to bottom due to

A) lower ionization potentials at bottom of family
B) increased shielding effects near bottom
C) electrons at greater distance from nucleus

Question # 14 (Multiple Answer) An atom in the third period of the Periodic Table

A) contains an incomplete second principle energy level
B) has at least 6 complete orbitals
C) may contain a partially filled 'p' orbital

Question # 15 (Multiple Answer) When a lithium atom reacts by losing an electron

A) it now has a stable octet of electrons
B) it decreases in size
C) it becomes a positively charged ion

Question # 16 (Multiple Answer) Which of the following properties increases from left to right in a given period of the table?

A) atomic number
B) electronegativity
C) ionization energy

Question # 17 (Multiple Answer) A particle that contains 11 protons, 12 neutrons, and 10 electrons

A) has an atomic number of 11
B) has a net charge of 1+
C) has an atomic mass of 22.91

Question # 18 (Multiple Answer) Concerning chemical reactivity, patterns found among elements in the same period onthe Periodic Table allow us to make predictions due to reactivity being dependent on the

A) size of the atom
B) number of outer shell electrons
C) total number of electrons

Question # 19 (Multiple Answer) Which of the following ions contain 'd' electrons?

A) Cl 1+
B) Ca 2+
C) Fe 2+

Question # 20 (Multiple Answer) Which is true of a fluorine atom in the ground state?

A) it has a charge of 0
B) it contains 9 protons
C) it contains 4 occupied orbitals

Question # 21 (Multiple Answer) The chemical phenomena that causes the strong attraction between charged parts of water molecules leading to the open structure found in ice is known as

A) adhesion
B) cohesion
C) hydrogen bonding

Question # 22 (Multiple Answer) When chlorine atoms react, they tend to

A) have the same electron configuration as that of a neon atom
B) always become positive ions
C) form covalent bonds with nonmetallic atoms