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Inessa [10]
2 years ago
5

The ion with a +3 charge 28 electrons and mass number of 71

Chemistry
2 answers:
Talja [164]2 years ago
6 0

Answer:

Good luck!

Explanation:

jasenka [17]2 years ago
3 0

Answer:

gallium

Explanation:

Ga +++ as it is the only ion with that features

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Gress.
MrRissso [65]

Answer:

true

Explanation:

the small car also has gravity making it heavy

8 0
3 years ago
What is relativity exactly
kiruha [24]
The absence of standards of absolute and universal application.
6 0
3 years ago
Flourine is more reactive than chlorine​
IRISSAK [1]
Justification for your answer

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Chlorine is less reactive than fluorine because the outer electrons in a chlorine atom are further from the nucleus than the outer electrons in a fluorine atom. It is harder for a chlorine atom to gain an electron than it is for a fluorine atom.

There are three things to consider every single time relative reactivity is unknown; atomic radius, shielding, and number of electrons. The reactivity is the halogens ability to gain an electron, so number of electrons already in the atom plays a vital role. Chlorine has more electrons so repels a reacting electron with greater force than fluorine, making it less likely to react.

Fluorine also has fewer electron shells than chlorine, so there are fewer electrons between the positive nucleus and the reacting electron to essentiallly block, or weaken, the electromagnetic attraction. This is shielding. Lastly, fluorine is much smaller molecule than chlorine, and the shorter distance, or radius, between the nucleus and the electron again makes it more likely to attract the electron and react to gain a noble gas configuration.

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7 0
3 years ago
Read 2 more answers
EXAMPLES OF PURE SUBSTANCES
ser-zykov [4K]

Answer: Water, tin, sulfur, sucrose, salt, and etc.

Explanation: The photo has more examples

3 0
2 years ago
Florine has an atomic number of 9 and an atomic mass of 18.998 amu. How many protons, neutrons, and electrons present
Bumek [7]

Answer:

There are 9 protons and 9 neutrons. there are 10 electrons

Explanation:

3 0
2 years ago
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