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kenny6666 [7]
3 years ago
15

What part of an atom is involved in a chemical reaction?

Chemistry
1 answer:
Katyanochek1 [597]3 years ago
5 0

Answer:

The answer is supposed to be "Electron cloud" or "Electon".

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A 222 N force is required to keep an object moving along a circular path with a diameter of 11.6 m at a speed of 7.60 m/s. What
Arte-miy333 [17]

Answer:

m=22.3\ kg

Explanation:

The expression for centrifugal force is shown below as:-

F=\frac{m\times v^2}{r}

Where, m is the mass of the object = ?

v is the velocity of the object = 7.60 m/s

r is the radius

F is the force = 222 N

Diamter = 11.6 m

Radius = d/2 = 11.6 m/2 = 5.8 m

Applying the values in the above expression as:-

222=\frac{m\times {7.60}^2}{5.8}

57.76m=1287.6

m=22.3\ kg

7 0
3 years ago
4. Which type of bond will form between a calcium atom and a sulfur atom?
FromTheMoon [43]

Answer:ionic

Explanation: ionic bond formation

In the ionic bond formation between calcium and sulfur, a calcium atom donates two valence electrons to a sulfur atom to form a Ca2+ ion and an S2+ ⁻ ion.

7 0
3 years ago
CAN SOMEONE PLS HELP ITS A VERY IMPORTANT GRADE PLS HELP ASAP
hjlf
I believe the answer is respiratory bc of how blood exchange works in the body w the circulatory system. None of the other answers make sense either
3 0
3 years ago
How are ions formed?
stepan [7]

Hey there!

Your answer is c. by the transfer of one or more electrons from one atom to another.

Ions can be positive or negative. Positive ions are called cations, and negative ions are called anions.

Electrons are transferred because two atoms have a large difference of electronegativity and the electrons are shared so unequally that the electrons are completely transferred from one atom to another, forming ions.

Hope this helps!

3 0
3 years ago
A substance that is not soluble in a polar solvent is
andrew-mc [135]
I believe its a Nonpolar substance.
7 0
3 years ago
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