Chemistry: An Introduction to General, Organic, and Biological Chemistry

Karen C. Timberlake

Chapter 4

Atoms and Elements - all with Video Answers

Educators

Section 1

Elements and Symbols

Problem 1

Write the symbols for the following elements
a. sodium
b. potassium
c. nickel
d. silver
e. nitrogen
f. palladium
g. vanadium
h. zinc

Patsy Naomi

Patsy Naomi

Numerade Educator

Problem 2

Write the symbols for the following elements:
a. oxygen
b. lithium
c. uranium
d. titanium
e. hydrogen f. chromium
g. tin
h. gold

Rithvik Manne

Numerade Educator

Problem 3

Write the name of the element for each symbol.
a. S
b. F
c. $\mathrm{Ne}$
d. Au
e. Al
f. $\mathrm{Cu}$
g. Pd
h. $\mathrm{Mg}$

Patsy Naomi

Numerade Educator

Problem 4

Write the name for the symbol of each of the following elements found in the body:
a. V
b. $P$
c. Na
d. As
e. Ca
f. Mo
g. Mg
h. Si

Patsy Naomi

Numerade Educator

Problem 5

Write the names for the elements in each of the following formulas of compounds used in medicine:
a. table salt, $\mathrm{NaCl}$
b. plaster casts, $\mathrm{CaSO}_{4}$
c. Demerol, $\mathrm{C}_{15} \mathrm{H}_{22} \mathrm{ClNO}_{2}$
d. treatment of bipolar disorder, $\mathrm{Li}_{2} \mathrm{CO}_{3}$

Patsy Naomi

Numerade Educator

Problem 6

Write the names for the elements in each of the following formulas of compounds used in medicine:
a. salt substitute, $\mathrm{KCl}$
b. dental cement, $\mathrm{Zn}_{3}\left(\mathrm{PO}_{4}\right)_{2}$
c. antacid, $\mathrm{Mg}(\mathrm{OH})_{2}$
d. contrast agent for $\mathrm{X}$ -ray, $\mathrm{BaSO}_{4}$

Patsy Naomi

Numerade Educator

Problem 7

Identify the group or period number described by each of the following.
a. Contains the elements $\mathrm{O}, \mathrm{F}, \mathrm{Ne}$
b. Begins with $\mathrm{K}$
c. Contains alkaline earth metals
d. Contains $\mathrm{N}, \mathrm{P}, \mathrm{As}, \mathrm{Sb}, \mathrm{Bi}$

Patsy Naomi

Numerade Educator

Problem 8

Identify the group or period number described by each of the following:
a. contains $\mathrm{Na}, \mathrm{K},$ and $\mathrm{Rb}$
b. begins with Be
c. contains the noble gases
d. contains $\mathrm{B}, \mathrm{N},$ and $\mathrm{F}$

Patsy Naomi

Numerade Educator

Problem 9

Give the symbol of the element described by each of the following:
a. Group $5 \mathrm{~A}(15),$ period 2
b. A noble gas in period 3
c. An alkaline earth metal period 4
d. Group $6 \mathrm{~A}(16),$ period 3
e. Group $7 \mathrm{~A}(17),$ period 4

Patsy Naomi

Numerade Educator

Problem 10

Give the symbol of the element described by each of the following:
a. the alkaline earth metal in Period 2
b. Group $5 \mathrm{~A}$ ( 15 ), Period 3
c. the noble gas in Period 4
d. the halogen in Period 5
e. Group $4 \mathrm{~A}$ ( 14 ), Period 4

Thomas Harr

Numerade Educator