3 years ago

Groups of elements that are shiny but not lustrous, have a semi-conductive property, and are brittle are classified as?

Chemistry

1 answer:

9966 [12]3 years ago

3 0

Answer:
A. Nonmetals

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How many Orbitals are present in third object? <br>a. 3 <br>b.5 <br>c.9 <br>d.18

Sunny_sXe [5.5K]

Answer:

9 orbits, The 3d subshell will be having 5 orbitals. On adding all the orbitals of 3s, 3p and 3d we get a total of 9 orbitals. Therefore, there are 9 orbitals in the third shell.

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2 years ago

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I need help with these

Dafna11 [192]

Can you elaborate this a little more?

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this element has an atomic number lower than that of aluminum and one less valence electrons then the Group 16 elements

ahrayia [7]

This element is nitrogen (N)

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3 years ago

How can you recognize an alcohol?

gavmur [86]

Answer:

O D. It has an -OH group attached to the end of the molecule.

Explanation:

Some alcohols have hydroxyl group (OH) attached to the end of a molecule and some have it attached as a branch on the molecule

${ \rm{R - OH \: : \: primary \: alcohol \: (1 \degree)}} \\ \\ { \rm{R -(OH) - R {}^{i} \: : secondary \: alcohol \: (2 \degree)}} \\ \\ { \rm{R - R {}^{i} (OH) - R {}^{ii} \: : tertiary \: alcohol \: (3 \degree)}}$

R is aryl or alkyl group
OH is hydroxyl group

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3 years ago

1. How many particles are in 8.14 moles of Na?

Zinaida [17]

Answer:

8.14x6.022×10^23 ~ 4.901908x10^24

Explanation:

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3 years ago