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Chapter 4: Q. 4.67 (page 126)

Place the following in order of decreasing metallic character: Br, Ge, Ca, Ga.

Short Answer

Expert verified

The correct order is Ca, Ga, Ge, Br.

Step by step solution

01

Given Information

We have to place the elements Br, Ga, Ge, Ca in correct order of property metallic character.

02

Explanation

As metallic character decreases as we move left to right and increases down to group and all the metals given are in $4^{t h}$ period but their groups are different.

Ca is in $2^{n d}$ group, Ga is in role="math" localid="1651895263289" $13^{r d}$ group, Ge is in role="math" localid="1651895256538" $14^{t h}$ group and Br is in $17^{t h}$ group.

This states that the correct order is Ca, Ga, Ge, Br.

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Most popular questions from this chapter

Write the names for the elements in each of the following formulas of compounds used in medicine :

a. table salt, $NaCl$

b. plaster casts, ${CaSO}_{4}$

c. Demerol, $C_{15} H_{22} {ClNO}_{2}$

d. treatment of bipolar disorder, ${Li}_{2} {CO}_{3}$

Identify the group or period number described by each of the following :

a. contains $Na$ , $K$ and $Rb$ b. begins with $Be$

c. contains the noble gases d. contains $B$ , $N$ and $F$

Indium consists of two isotopes, ${}_{49}^{113}I n$ and ${}_{49}^{115}I n$ . If the atomic mass for indium on the periodic table is $114.8$ , are there more atoms of ${}_{49}^{113}I n$ or ${}_{49}^{115}I n$ in a sample of indium?

What are the number of protons, neutrons, and electrons in the following isotopes?

a. ${}_{1}^{2}H$

b. ${}_{7}^{14}N$

c. ${}_{14}^{26}S i$

d. ${}_{30}^{70}Z n$

Select the element in each pair with the higher ionization energy.
a. O or Ne
b. K or Br
c. Ca or Ba
d. Ne or N

See all solutions

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