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2 years ago

Identify the elements with the following electronic configurations; 1s22s22p63s23p64s23d3

Chemistry

1 answer:

Whitepunk [10]2 years ago

5 0

~Shoto Todoroki here~

<h2>If you are referring to a neutral atom, then Vanadium (V) has that particular electron configuration.</h2>

Remember that for neutral atoms, the number of electrons must equal the atomic number. Adding up all the electrons from the given configuration will give

This means that the atom you're looking for has an atomic mass of 23, which corresponds to the atomic mass of Vanadium, a transition metal located in the fourth row, group 5 of the periodic table.

Vanadium's noble gas shorthand notation is

V:[Ar]4s23d3

hope this helps :))

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Tamara is doing a scientific investigation to answer the question, "Do corn seeds germinate faster at warmer temperatures than t

sashaice [31]

Answer:

The tools/instruments, the type of seed, the soil or planting products, the amount of germination time/days, and where the seedling is placed.

Explanation:

If anything but the temperature is changed, it can result in false results. For instance, if Tamera uses red corn for one but yellow corn for the other, it can change the germination rate. So can the type of soil, water or the amount of time each plant has to grow. If she changes thermometers or any other tool she uses, it may give her a different result than the ones she used before. And finally, if she moves the warm plant from the windowsill to her bedroom, it can mess with the results she gets from the heated sample.

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4 years ago

A 7.0 L sample of gas begins at 2.5 atm and 320. K. What is the new pressure if the temperature is changed to 273 K and the volu

enyata [817]

Answer:

2.1 atm

Explanation:

We are given the following variables to work with:

Initial pressure (P1): 2.5 atm

Initial temperature (T1): 320 K

Final temperature (T2): 273 K

Constant volume: 7.0 L

We are asked to find the final pressure (P2). Since volume is constant, we want to choose a gas law equation that relates initial pressure and temperature to final pressure and temperature. Gay-Lussac's law does this:

$\frac{P_{1}}{T_1} =\frac{P_{2}}{T_2} \\$

We can rearrange the law algebraically to solve for $P_{2}$ .

${P_{2}} =\frac{(T_2)(P_{1} )}{T_1} \\$

Substitute your known variables and solve:

$P_2 = \frac{273K(2.5atm)}{320K} = 2.1 atm$

4 0

3 years ago

Help me please I need help

yanalaym [24]

37. Is D
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3 years ago

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3 years ago