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Gekata [30.6K]
2 years ago
6

How did the scientists create atoms of element 115

Chemistry
1 answer:
Lilit [14]2 years ago
4 0

Answer:

with ions of calcium in a cyclotron. This produced four atoms of moscovium

Explanation:

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PSYCHO15rus [73]
3d10 4s2 4p5. I think
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2 years ago
Which actions increase the strength of an electromagnet? Question 5 options: Increase the number of coils and decrease the stren
SVEN [57.7K]

An electromagnet is a device in which, by electric current, the magnetic field is produced. Increase the number of coils and increase the strength of the current, thus, increasing the strength of an electromagnet.

The correct option is B.

<h3>What is an electromagnet?</h3>

An electromagnet is a device that consists of a magnetic core encircled by a coil, through which an electric current is carried to magnetize the core.

Wherever controllable magnets are required, such as in devices where the magnetic flux must be adjusted, reversed, or switched on and off, an electromagnet is utilized.

Thus, the correct option is B, increasing the number of coils and increasing the strength of the current.

Learn more about electromagnet, here:

brainly.com/question/13803241

6 0
2 years ago
Why does ionization energy tend to increase as you move across a period
koban [17]
It tends to in increase because the size of the atoms increase. 
4 0
3 years ago
Consider the following weak acids and their Ka values: Acetic Acid Ka = 1.8×10^−5 Phosphoric Acid Ka = 7.5×10^−3 Hypochlorous Ac
vfiekz [6]

Answer:

a. Phosphoric Acid

b. Acetic Acid

c. Hypochlorous Acid

Explanation:

A buffer works when the pH of this one is in pKa ± 1. That means, to find which buffer system works in some pH you need to find pKa:

pKa = -log Ka

<em>pKa Acetic acid:</em>

-log1.8x10⁻⁵ = 4.74

<em>pKa phosphoric acid:</em>

-log7.5x10⁻³ = 2.12

<em>pKa hypochlorous acid:</em>

-log3.5x10⁻⁸ = 7.46

a. For a pH of 2.8 the best choice is phophoric acid because its effective range is: 1.12 - 3.12 and 2.8 is between these values.

b. pH 4.5. Acetic acid. effective between pH's 3.74 - 5.74

c. pH 7.5. Hypochlorous acid that works between 6.46 and 8.46

7 0
2 years ago
Saturns day is roughly 10 hours. it takes about 30 years for Saturn to return to the same point in space. How do saturns periods
sdas [7]
Earth 24 hours, 365 days, so c
6 0
3 years ago
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