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Chapter 4: Q. 4.13 (page 105)

Using Table 4.4, identify the function of each of the following in the body and classify each as an alkali metal, an alkaline earth metal, a transition element, or a halogen:
a. Ca
b. Fe
c. K
d. Cl

Short Answer

Expert verified

(a)Ca: Alkaline earth metal

(b)Fe: Metal

(c)K: Alkali metal.

(d)Cl: Halogen

Step by step solution

01

Part(a) Step1 : Given information.

We have been given that,

Calcium(Ca)

We need to identify it's function and classify it as metal, nonmetal or metalloid.

02

Part(a) Step2 : Simplify.

Calcium: Alkaline earth metal.

  • Essential for bones, teeth.
03

Part(b) Step1 : Given information.

We have been given that,

Iron(Fe)

We need to identify it's function and classify it as metal, nonmetal or metalloid.

04

Part(b) Step2 : Simplify.

Iron(Fe): metal

  • Essential for RBCs and oxygen carrier component in hemoglobin.
05

Part(c) Step1 : Given information.

We have been given that,

Potassium(k)

We need to identify it's function and classify it as metal, nonmetal or metalloid.

06

Part(c) Step2 : Simplify.

Potassium(k): Alkali metal.

  • Most abundant electrolyte inside the cells.
  • Essential for nerve impulses and muscle contraction.
07

Part(d) Step1 : Given information.

We have been given that,

Chlorine(Cl)

We need to identify it's function and classify it as metal, nonmetal or metalloid.

08

Part(d) Step2 : Simplify.

Chlorine(Cl): Halogen;

  • Most prevalent negative ion.
  • Stomach acid.

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Most popular questions from this chapter

Identify the elements that have following electron arrangements:

Complete the following table: (4.4,4.5)

Give the symbol of the element described by each of the following:
a. Group 4A(14) ,Period 2
b. the noble gas in Period 1
c. the alkali metal in Period 3
d. Group 2A(2) , Period 4
e. Group 13, Period 3

Select the larger atom in each pair.
a. Na or Cl
b. Na or Rb
c. Na or Mg
d. Rb or I

Write the group number and the Lewis symbol for each of the following elements:

a. Sulfur

b. Nitrogen

c. Calcium

d. Sodium

e. Gallium
See all solutions

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