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3 years ago

Boron occurs naturally as two isotopes. What is the difference between these isotopes?

Chemistry

2 answers:

DIA [1.3K]3 years ago

8 0

They have different number of neutrons and different mass number

MArishka [77]3 years ago

4 0

they have different number of neutrons and different mass number

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The number of nucleons in an atom is the atom's (atomic, mass) number.

ELEN [110]

The number of neutrons in an atom is the number of particles present in its nucleus.
The atomic number is the number of protons whereas the mass number is the number of protons and number of neutrons together
This implies that the number of neutrons is the atom's mass number

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2 years ago

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I’ll give Brainliest Faaaaaaast

Bezzdna [24]

Answer:

give me brainliest please?

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When are kids ready to assume adult responsibilities?

Serga [27]

Answer:

18 years old or when they become mature.

Explanation:

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2 years ago

Compounds have two or more atoms and the atoms can be the same element true or false

mel-nik [20]

Answer:

i think its false because

Explanation:

compounds are made of two or more atoms of different elements

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2 years ago

Write balance complete molecular equation, ionic equation, and net ionic equations for the reactions that occur when each of the

AveGali [126]

Answer: The complete molecular, ionic, and net ionic equations are given below. The spectator ions are sodium and nitrate ions.

Explanation:

The ionic equation is defined as the equation in which all the substances that are strong electrolytes present in an aqueous state and are represented in the form of ions.

The net ionic equation is defined as the equations in which spectator ions are not included.

Spectator ions are the ones that are present equally on the reactant and product sides. They do not participate in the reaction.

The balanced molecular equation for the reaction of lead (II) nitrate and sodium sulfide follows:

$Pb(NO_3)_2(aq)+Na_2S(aq)\rightarrow PbS(s)+2NaNO_3(s)$

The ionic equation follows:

$Pb^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+S^{2-}(aq)\rightarrow PbS(s)+2Na^+(aq)+2NO_3^-(aq)$

As sodium and nitrate ions are present on both sides of the reaction. Thus, they are considered spectator ions.

The net ionic equation follows:

$Pb^{2+}(aq)+S^{2-}(aq)\rightarrow PbS(s)$

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2 years ago