Chem 1P Final Pt 3

Which one of the following is the most electronegative atom? A) C B) N C) O D) F

D) F

Which of the following is NOT a metalloid? A) Boron B) Silicon C) Arsenic D) Tellurium E) Astatine

A) Boron

What element is theoretically the largest of all on the periodic table? A) Francium (Fr) B) Helium (He) C) Hydrogen (H) D) Lead (Pb) E) Radon (Ra)

A) Francium (Fr)

Which of the following groups of elements tend to form cations? A) Metals B) Metalloids C) Nonmetals D) Noble gases E) Radioactive elements

A) Metals

Which one of the following is the least electronegative atom? A) Na B) Cl C) P D) Al

A) Na

Which of the following is an alkaline earth metal? A) Rubidium B) Beryllium C) Iridium D) Americium E) Phosphorous

B) Beryllium

Which of the following atom(s) below has/have five valence electrons? A) C B) N C) O D) F E) All of the above

B) N

Which element resides in the third period under group 4A (14) of the periodic table? A) Ge B) Si C) Al D) Sc E) P

B) Si

Which of the following is a transition metal? A) Strontium B) Silver C) Sulfur D) Samarium E) Sodium

B) Silver

Halogens tend to form anions because A) losing electrons will fill their octet faster than gaining them. B) gaining electrons will fill their octet faster than losing them. C) halogen element ionization energies are lower than transition metal ionization energies. D) halogen atomic radii tend to be larger than their corresponding ionic radii. E) halogen atomic radii tend to be smaller than their corresponding ionic radii.

B) gaining electrons will fill their octet faster than losing them.

Elements that are most similar in their properties are found _____ A) in the same period. B) in the same group. C) have the same electron configurations. D) to occur randomly throughout the table. E) diametricaly opposite each other on the periodic table.

B) in the same group.

How many core electrons does an atom of beryllium (Be) contain? A) 0 B) 1 C) 2 D) 3 E) 4

C) 2

Which group in the periodic table tends to have high electronegativity values? A) the alkali metals B) the noble gases C) the halogens D) the transition metals

C) the halogens

In which direction in a given period of the periodic table does melting point tend to increase? A) As you move left across a period. B) As you move right across a period. C) The closer an atom is to having either a full or empty valence shell, the higher the melting point (low in the 'middle' of the period and high at the ends). D) The closer an atom is to having a half-full valence shell, the higher the melting point (high in the 'middle' of the period and low at the ends). E) There is no general trend.

D) The closer an atom is to having a half-full valence shell, the higher the melting point (high in the 'middle' of the period and low at the ends).

Which of the following is a halogen? A) Sodium B) Copper C) Neodymium D) Selenium E) Iodine

E) Iodine

Group 18 elements were called the noble gases originally because A) they have a full octet. B) they are colorful, so 'noble.' C) they 'crown' the end of each period of the table. D) they were discovered by Alfred Nobel, founder of the Nobel Prizes. E) they were believed to be 'too noble' to react with other elements.

E) they were believed to be 'too noble' to react with other elements.