Using Isotopic Notation

Practice Questions

High School Chemistry › Using Isotopic Notation

Questions

9

1

A cobalt atom of atomic mass 60 undergoes an alpha decay, two beta decays, and another alpha decay. What is the identity of the daughter nuclide?

2

Which of the following is not true about chemical isotopes?

3

An atom of mercury can be written as follows:

$^{202}_{80}Hg$

What is the atomic number for mercury?

4

How many neutrons does the follwing isotope have? $^{14}C$

5

An isotope can be written in isotopic notation. If an isotope is written as $_{6}^{14}\textrm{C}$ identify the isotope in the format of "element-atomic mass number" as well as identify how many neutrons the isotope has.

6

Identify the unknown element that is formed in the following nuclear reaction:

$_{9}^{19}\textrm{F}\rightarrow\ _{6}^{12}\textrm{C}+_{a}^{b}\textrm{X}$

7

The following reaction shows what type of decay?

$_{16}^{34}\textrm{S}\rightarrow\ _{a}^{b}\textrm{X}+_{17}^{34}\textrm{Cl}$

8

How many neutrons in the following isotope contain? $^{23}_{11}Na$

9

Consider the following ion:

$^{39}_{19}K^{+}$

How many neutrons are in the ion?

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