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Chapter 4: Q. 4.14 (page 106)

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. Mg
b. Cu
c. I
d. Na

Short Answer

Expert verified

(a) Mg: Alkaline earth metal.

(b) Cu: Metal.

(c) I: Halogen.

(d) Na: Alkali metal .

Step by step solution

01

Part(a) Step1 : Given information.

We have been given that,

Magnesium(Mg)

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

02

Part(a) Step2 : Simplify.

Mg: Alkaline earth metal

  • Functions for metabolic reaction
  • Huge part of bones.
03

Part(b) Step1 : Given information.

We have been given that,

Copper(Cu)

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

04

Part(b) Step2 : Simplify.

Cu: Metal

  • Needed for blood vessels.
  • Blood pressure.
  • Immune system.
05

Part(c) Step1 : Given information.

We have been given that,

Iodine(I)

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

06

Part(c) Step2 : Simplify.

I: Halogen.

Needed for proper functioning of thyroid.

07

Part(d) Step1 : Given information.

We have been given that,

Sodium(Na)

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

08

Part(d) Step2 : Simplify.

Na: Alkali metal.

  • Needed for muscle contraction.
  • Nerve impulses.
  • Water balance.
  • Most prevalent positive ion.

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Most popular questions from this chapter

Give the group and period numbers of each of the following elements: (4.2)

a. radon

b. arsenic

c. carbon

d. neon

Match the subatomic particles (1to 3) to each of the descriptions below: (4.4)

1. protons 2. neutrons 3. electrons

a. atomic mass

b. atomic number

c. positive charge

d. negative charge

e. mass number - atomic number

Consider the following atoms in which X represents the chemical symbol of the element: (4.4,4.5)

X816,X916,X1018,X817,X818

a. What atoms have the same number of protons?

b. Which atoms are isotopes? Of what element?

c. Which atoms have the same mass number?

d. What atoms have the same number of neutrons?

Complete the following table: (4.4,4.5)

Write the atomic symbol for the isotope with each of the following characteristics:

a. An oxygen atom with 10neutrons

b. 4protons and 5neutrons

c. 25electrons and 28 neutrons

d. A mass number of 24and 13neutrons

e. A nickel atom with 32neutrons
See all solutions

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