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zzz [600]
3 years ago
9

a solid substance is an excellent conductor of electricity. The chemical bonds in this substance are most likely...

Chemistry
2 answers:
Alex3 years ago
6 0
The answer is "metallic" hope this helps

Alisiya [41]3 years ago
5 0

Answer:

Metallic bond

Explanation:

Metallic bond involves the attraction between metal cations and the delocalized electrons. The valence electrons in metallic atoms are usually unstable because of the shielding effect of other electron shells. When this happens, the valence electrons leave the atom and become delocalized (basically move around without belonging to any atom). These delocalized electrons carry electric charges when electric current is passed through the metal - meaning they allow metals to conduct electricity.

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I need help please!!!
n200080 [17]

Answer:

The answer is D.

Explanation:

Because the SI units of mass is kg,

volume is m³,

length is m,

Temperature is Kelvin.

8 0
3 years ago
Read 2 more answers
What is the lowest unoccupied molecular orbital in F2?
Juliette [100K]

Answer:

σ*2pₓ, also called 3\sigma_{u}\text{*}

Explanation:

I have drawn the MO diagram for fluorine below.

Each F atom contributes seven valence electrons, so we fill the MOs of fluorine with 14 electrons.

We have filled the \pi \text{*2p}_{y} and \pi \text{*2p}_{z} MOs.

They are the highest occupied molecular orbitals (HOMOs).

The next unfilled level (the LUMO) is the σ*2pₓ orbital. If you use the symmetry notation, it is called the 3\sigma_{u}\text{*} orbital.

This is the orbital that fluorine uses when it acts as an electron acceptor.

7 0
3 years ago
Which of the following statements are true of groups on the periodic table?
Gnoma [55]

Answer: The correct answer is A, C and D

Explanation:

6 0
3 years ago
A houseplant is placed on a window sill that gets direct, bright sunlight
Molodets [167]

Answer:

D. Phototropism

Explanation:

Plants, like every other living organism, responds to external stimulus. In this question, the stimulus is LIGHT from the sun entering through the window sill. The plant is responding positively to the light stimuli by growing towards the direction where the light is coming from. This exhibit is called PHOTOTROPISM.

Phototropism, comes from two words viz photo- meaning light and tropism- meaning movement. Hence, phototropism is the growth of an organism (plant in this case) in response to a light stimulus. The case described in this question is POSITIVE PHOTOTROPISM because the growth occurs towards the light source.

7 0
3 years ago
Find the mass of oxygen in grams produced by the decomposition of 100.0 g of CO2
SSSSS [86.1K]

The balanced chemical equation is :

2CO_2->2CO+O_2\\\\

Moles of CO_2 ,

n = \dfrac{100\ g}{44.01\ g/mol}\\\\n=2.27\ mol

Now, by given chemical equation , we can see 2 mole of CO_2 react with 1 mole of O_2.

So , 2.27 mole react with :

N=\dfrac{2.27}{2}\ mol\\\\N=1.135\ mol

Mass of oxygen is :

M = N \times 16\\\\M=1.135\times 16\ g\\\\M =18.16\ g

Therefore, mass of oxygen in grams produced is 18.16 g.

Hence, this is the required solution.

7 0
3 years ago
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