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4 years ago

What most likely to the inclusion of these elements in the periodic table

Chemistry

1 answer:

antiseptic1488 [7]4 years ago

3 0

<span>New technology showed how to identify one of the elements</span>

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If a car is traveling 100 km/h and comes to a stop in 3 minutes,what is acceleration of a passenger who is using vehicle restrai

Rama09 [41]

We are given –

Final velocity of car is, v= 0
Initial velocity of car is, u= 100 km/hr
Time taken, t is = 3 minutes or 180 sec

Here–

$\qquad$ $\pink{\bf \longrightarrow Initial\: velocity = 100 \:km/hr}$

$\qquad$ $\sf \longrightarrow Initial\: velocity = \dfrac{ 100 \times 1000}{3600} \:m/s$

$\qquad$ $\pink{ \bf \longrightarrow Initial\: velocity = 27.78\: m/s}$

Now –

$\qquad$ ____________________________

$\qquad$ $\purple{\bf \longrightarrow Acceleration = \dfrac{Final\: Velocity -Initial \:Velocity }{Time}}$

$\qquad$ $\purple{\bf \longrightarrow Acceleration = \dfrac{v -u}{t}}$

$\qquad$ $\sf \longrightarrow Acceleration = \dfrac{(0- 27.78)}{1800}$

$\qquad$ $\sf \longrightarrow Acceleration =\cancel{ \dfrac{- 27.78}{1800}}$

$\qquad$ $\purple{\bf \longrightarrow Acceleration = -0.15 \: m/s^2}$

$\qquad$ _______________________________

6 0

2 years ago

_____ is the degree of attraction of one atom for the valence electrons of another atoms. Electronegativity Ionization energy Co

yan [13]

<span>Electronegativity maybe.......</span>

4 0

4 years ago

Read 2 more answers

Which is the correct name for the comound N2O3

ivann1987 [24]

Dinitrogen trioxide is the compound N2O3. :)

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4 years ago

Read 2 more answers

Experiments were carried out in which a beam of cathode rays was first bent by a magnetic field and then bent back by an electro

Sergio039 [100]

a. the ratio of mass to charge of an electron

Explanation:

The experiment permitted the direct measurement of the ratio of mass to charge of an electron.

The charge to mass ratio of an electron was determine by accelerating a beam of cathode rays in magnetic and electric fields.
No matter the gas used in the tube or the nature of the material of the electrodes, the rays were found to have constant charge to mass ratio of 1.76 x 10¹¹coulombkg⁻¹.

learn more:

Subatomic particles brainly.com/question/2757829

#learnwithBrainly

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4 years ago

Of Be3+ , Li2+ , and He1+

Mama L [17]

Answer:He 1+

Explanation:

Both Hydrogen atom and helium ion are one electron species. Hence we expect the spectrum of the helium ion to closely resemble that of hydrogen atom also containing one valence electron.

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3 years ago