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Kazeer [188]
3 years ago
10

Need help ASAP with this question

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
8 0

Answer: noble gasses

Explanation: zoom on on the red section and look at the key for what red means.

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5. An element whose highest occupied s sublevel and a nearby d sublevel <br> contain electrons
Mumz [18]

Answer:

                    Transition Element

Explanation:

                     Transition elements are defined as those elements which can form at least one stable ion and has partially filled d-orbitals. They are also characterized by forming complex compounds and having different oxidation states for a single metal element.

                      Transition metals are present between the metals and the non metals in the periodic table occupying groups from 3 to 12. There general electronic configuration is as follow,

                                                   (n-1)d ¹⁻¹⁰ns ¹⁻²

The general configuration shows that for a given metal, the d sublevel will be in lower energy level as compared to corresponding s sublevel. For example,

Scandium is present in fourth period hence, its s sublevel is present in 4rth energy level so its d sublevel will be present in 3rd energy level respectively.

Hence, we can conclude that for transition metals the electron are present in highest occupied s sublevel and a nearby d sublevel .

5 0
3 years ago
1
creativ13 [48]
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6 0
3 years ago
Read 2 more answers
3- Gas in a piston has a volume of 6.6 L, a temperature of 115 °C. If the final
Maru [420]

Answer:

d- 7.58 L

Explanation:

According to Charles's law, the temperature in Kelvin is proportional to the volume of a dry gas when the pressure is constant.

Mathematically, V1/T1 = V2/ T2

V1= initial volume= 6.6 L

T1= Initial temperature= 115 °C= (115 °C +273)=388K

V2= final volume

T2= final temperature= 173 °C= ( 173 °C+ 273)= 446K

Substitute the values,

V2=( V1 × T2)/ T1

= (6.6×446)/388

= 2943.6/388

= 7.6L

7 0
3 years ago
What mass of sucrose is needed to make 300.0 mL of a 0.5 M solution? (molar mass=<br> 342.34 g/mol)
Anuta_ua [19.1K]
I need points i’m sorry but yea lol good luck
7 0
3 years ago
Rectify the following equation 101 - 102 = 1 by moving just one digit
Diano4ka-milaya [45]

Make 2 in 102 as the power of 10

10^2 = 100

101 - 10^2 = 101 - 100 = 1

Hope it helped:)

7 0
2 years ago
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