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3 years ago

What does the element symbol on the periodic table indicate?

1 answer:

6 0

I hope this is right because i just took a chemistry mock exam

The element symbol on the periodic table indicate the states of matter

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Determine if the individual bonds in each compound are polar or nonpolar.

almond37 [142]

Answer:

See explanation

Explanation:

For SCl2

S = 2.8, Cl = 3.16 difference = 0.4 polar

H2S

H = 2.2 S= 2.8 difference = 0.6 polar

CF4

C = 2.55, F= 3.98 difference = 1.43

This compound is nonpolar irrespective of the difference in electronegativity because the molecule is symmetrical

PCl5

P= 2.19, Cl= 3.16 difference = 0.97

This compound is nonpolar irrespective of the difference in electronegativity because the molecule is symmetrical

CH4

C = 2.55 H = 2.2 difference = 0.35 the molecule is nonpolar

CaBr2

Ca= 1 Br= 2.96 difference = 1.96

The compound is not just polar but ionic in nature due to large electronegativity difference between the bonding atoms

SF2

S = 2.8 F= 3.98 difference = 1.18

The molecule is polar

CO2

C= 2.55 O= 3.44 difference = 0.89

This compound is nonpolar irrespective of the difference in electronegativity because the molecule is symmetrical

NH3

N= 3.04 H = 2.2 difference =0.84

The molecule is polar

NaS

Na= 0.93 S = 2.8 difference = 1.87

The compound is not just polar but ionic in nature due to large electronegativity difference between the bonding

4 0

3 years ago

Number 3 pls and thank u

Makovka662 [10]

The statement which is not true is as follows:

The repulsive force between electrons on different atoms does not matter at all.

Thus, the correct option is C.

<h3>What is Equilibrium?</h3>

An equilibrium may be defined as the condition in which both the reactants and products are present in concentrations that have no additional propensity to alter with time so that there is no noticeable transformation in the possessions of the system.

The causation of repulsive force was thought to be made by the overlap of atomic orbitals and in between the electrons of diverse atoms, it matters a lot.

The equilibrium distance between nuclei of two covalently bonded atoms is called the bond length of that atom. It is the atomic separation at equilibrium.

Equilibrium occurs when the attractive and repulsive forces neglected the effect of each other in a specific state.

Therefore, it is well described above.

To learn more about Covalent bonds, refer to the link:

brainly.com/question/11651796

#SPJ1

6 0

3 years ago

Is a blender (at home) an example of electrical to mechanical energy? If so, why? Please explain thoroughly

san4es73 [151]

Answer:

Yes it is

Explanation:

You use electricity to power the blender itself, then after you power it the potential energy becomes kinetic energy which equals mechanical energy in the blender. So yes, a blender is an example of electrical to mechanical energy.

6 0

3 years ago

Help me please thank you

mina [271]

Density = mass / volume
slope = y axis / x axis
So, slope equals the density

6 0

3 years ago

Help please I'll mark you as a brainliest promise.

antiseptic1488 [7]

Answer:

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Explanation:is this what you meant?

5 0

3 years ago