chem 120 final exam test 1

CA IS A

A. ALAKLI METAL
B. TRANSITION ELEMENT
C. METALOID
D. RARE EARTH METAL
E. HALOGEN
F. NONE OF THE ABOVE ARE CORRECT

2. ALUMINUM

A. HAS A LARGER MOLECULAR DIAMETER THAN MAGNESIUM

B. IS MORE ELECTRONNEGATIVE THAN SILICON

C. HAS A LOWER BOILING POINT THAN SODIUM

D. ALL OF THE ABOVE ARE TRUE

NITROGEN

IS A LANTHANIDE ELEMENT

B. WOULD FORM A COVALENT BOND WITH MAGNESIUM

C. HAS THREE VALENCE ELECTRONS

D. WOULD FORM AN IONIC BOND WITH CHLORINE

E. NONE OF THE ABOVE ARE CORRECT

4. AN ATOM THAT LOSES AN ELECTRON BECOMES

A. ISOTOPE

B. CATION

C. ANION

D. NONE OF THE ABOVE ARE CORRECT

SODIUM : NITROGEN WOULD COMBINE IN WHAT RATIO

A. 3:1

B: 2:1

C. 1:1

D. 1:2

E. 1:3

WHICH OF THE FOLLOWING IS A TRANSITION ELEMENT

A. V

B. RB

C. Si

D. Kr

E. NONE OF THE ABOVE

7. WHICH OF THE FOLLOWING COMPOUNDS WOULD HAVE A POLAR COVALENT BOND

A. Na2O

B. Cl2

C. PCl3

D. LiCl

8. The rows of the periodic table are called

a. classes

b. groups

c. periods

d. families

9. Atoms of elements in a group on the periodi table have similar chemical properties. These similarities are most closely related to the attom's

a. number of electron orital energy level

b. number of valence electrons

c. atomic numbers

d. atomic masses

10. when combining with metallic atoms (ionic bonds), nonmetallic atoms generally will

a. lose electrons and form anions

b. lose electrons and form cations

c.. gain electrons and form anions

d. gain electrons and form cations