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Illusion [34]
3 years ago
12

How many electrons does the isotope helium-5 have

Chemistry
1 answer:
baherus [9]3 years ago
6 0

Answer:

two electrons.

Explanation:

Helium-5, like all other helium isotopes, has two protons and two electrons. Its different from the others in the fact that it has three neutrons. It is one of the unstable isotopes, having a half-life of significantly less than a picosecond (a trillionth of a second). your welcome!!

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SIZIF [17.4K]
PH of solution will be greater than seven (pH>7), that means that solution is basic (<span>pH above </span>7<span> is a base, the higher the number, the stronger is the base).
</span>pH (potential of hydrogenis) is a measure of the hydrogen ion (H⁺) concentration of a solution. <span>Solutions with a pH less than 7 are acidic.</span>
5 0
3 years ago
neon has 3 different isotopes, neon-20, neon-21, and neon-22. the first isotope has a mass 19.992 amu and an abundance of 90.60%
il63 [147K]

Isotopes

Mass atom of Neon: 20.1797 amu

Mass atom X = mass isotope 1 . % + mass isotope 2.% +.....

\tt 20.1797=19.992\times 0.906+x\times 0.0021+21.991.0\times 0920\\\\x=20.846~amu

4 0
3 years ago
If a body of water has high turbidity levels, what can most likely be concluded?
harina [27]
Unsafe to dono because it’s way too high
6 0
3 years ago
10.0 g of nickel is cooled to 2.0 °C and
Bas_tet [7]

Answer:

73.68 J

Explanation:

To find the energy absorbed by nickel, you need to use the following equation:

Q = mcΔT

In this equation,

-----> Q = energy (J)

-----> m = mass (g)

-----> c = specific heat (J/g°C)

-----> ΔT = change in temperature

The change in temperature is found by subtracting the initial temperature from the final temperature. You can plug the given values into the equation and simplify to find the energy absorbed.

m = 10.0 g

c = 0.120 J/g°C

ΔT = 63.4 °C - 2.0 °C = 61.4 °C

Q = mcΔT

Q = (10.0 g)(0.120 J/g°C)(61.4 °C)

Q = 73.68  J

6 0
3 years ago
What is Ky for CH3NH2(aq) + H20(1) = CH3NH3(aq) + OH(aq)?
zalisa [80]
I do not have any clue
6 0
3 years ago
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