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3 years ago

Isotopes of the same element have different numbers of

1 answer:

3 0

Isotopes of the same element have different numbers of
A protons
B neutrons
C neutrons and electrons
D protons and electrons
the answer is B neutrons

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Which one of the following compounds will NOT be soluble in water? Which one of the following compounds will NOT be soluble in w

Nadusha1986 [10]

Answer:

$BaSO_{4}$ will be not soluble in water

Explanation:

LiOH is a strong base. Hence it gets completely dissociated in aqueous solution.

$NaNO_{3}$ is a strong electrolyte. Hence it gets completely dissociated in aqueous solution.

$MgCl_{2}$ is a strong electrolyte. Hence it gets completely dissociated in aqueous solution.

$K_{2}S$ is a strong electrolyte. Hence it gets completely dissociated in aqueous solution.

$BaSO_{4}$ is a sparingly soluble salt. Hence it is not dissociated and hence dissolved in water. This is due to the fact that both $Ba^{2+}$ and $SO_{4}^{2-}$ ions are similar in size. Hence crystal structure of $BaSO_{4}$ is quite stable. Hence $BaSO_{4}$ is reluctant to undergo any dissociation in aqueous solution.

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3 years ago

Lead is malleable, so it can be pounded into flat sheets without breaking. How does the bonding within lead help to explain this

damaskus [11]

Answer:

correct answer would be c

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2 years ago

10.A certain ion of an atom possesses 16 neutrons, a mass number of 31 and a charge

mars1129 [50]

Answer:

B. 13 electrons

Explanation:

Bcoz protons are the same with electrons and the neutrons too.

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3 years ago

Determina el pH de una solución si la concentración de H es 3.5 x 10 molar, e indicar si es acido o bas

erastovalidia [21]

Answer:

Explanation:

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3 years ago

Observation what happens when you add distill water salt and lemon juice

Slav-nsk [51]

Answer:

But when we add some salt or the lemon juice to it, it starts conducting electric current and shows deflection of magnetic compass because salts and acids are conductors of electric current when salt or lemon juice is mixed in distilled water it becomes conductor of electricity.

Explanation:

hope this helps

4 0

3 years ago