3 years ago

As a trend or pattern,the atomic radius go from left to right across the period but top to bottom down a group

1 answer:

5 0

As a trend or pattern, the atomic radius decreases as you go left to right across the period, but increases as you go down a particular group.

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HELP I DONT KNOW HOW TO DO THIS !!

BlackZzzverrR [31]

Answer:

you divide 71.5 by 2

Explanation:

it's may look intimidating but the question is actually really simple.

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2 years ago

Hydrogen sulfide gas H2S and aqueous iron(II) chloride are formed by the reaction of aqueous hydrochloric acid HCl and solid iro

jasenka [17]

Answer:

The balanced chemical equation for this reaction is:

2HCl (aq) + FeS (s) -----> FeCl2 (aq) + H2S (g)

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3 years ago

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What volume of H2 at STP, can be released by 42.7 g Zn in the equation: Zn + 2 HCl ————> H2 + ZnCl2

ehidna [41]

Answer:

0.86L.

Explanation:

1mol of Zn has mass of 65.39g . The amount of Zn is 2.5g65.39g/mol=0.038mol

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2 years ago

Breeder reactors are used to convert the nonfissionable nuclide U-238 to a fissionable product. Neutron capture by the U-238 is

m_a_m_a [10]

Answer:

Pu-239

Explanation:

Beta decay moves the element which undergoes the decay one place to the right in the periodic table since to conserve charge and being beta radiations an electron we convert a neutron into a proton and an electron. In neutron capture we increase the atomic mas by one unit. We that in mind, lets solve the question:

U-238 + ₁⁰ n ⇒ U-239 ⇒ Np -239 + ₋₁⁰β ⇒ Pu-239 + ₋₁⁰β

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3 years ago

Which is the term for how vegetation influences precipitation?

Scilla [17]

The answer to this question is A- evaporation

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3 years ago

As a trend or pattern,the atomic radius go from ______ left to right across the period but ______ top to bottom down a group

As a trend or pattern,the atomic radius go from left to right across the period but top to bottom down a group