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Chapter 2: Q44P (page 40)

Write the XZAnotation for each atomic depiction:

(a)(b)(c)

Short Answer

Expert verified

aC613bZ4090rcN2861i

Step by step solution

01

Solution for part (a)

Given,

Number of protons = 6

Number of electrons = 6

Number of neutrons = 7

We know,

Atomic number = number of protons = 6

Atomic mass = number of protons + number of neutrons

Atomic mass = 6 + 7 = 13

From the above calculation,C613

02

Step 2  Solution for part (b)

Given,

Number of protons = 40

Number of electrons = 40

Number of neutrons = 50

We know,

Atomic number = number of protons = 40

Atomic mass = number of protons + number of neutrons

Atomic mass = 40 + 50 = 90

From the above calculation,Z4090r

03

Step 3  Solution for part (c)

Given,

Number of protons = 28

Number of electrons = 28

Number of neutrons = 33

We know,

Atomic number = number of protons = 28

Atomic mass = number of protons + number of neutrons

Atomic mass = 28 + 33 = 61

From the above calculation,N2861i

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Which separation method is operating in each of the following procedures: (a) pouring a mixture of cooked pasta and boiling water into a colander; (b) removing colored impurities from raw sugar to make refined sugar; (c) preparing coffee by pouring hot water through ground coffee beans?

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(b) Elements in a period have similar chemical properties.

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