Which statement describes an atomic nucleus?

Chemistry

2 answers:

lisabon 2012 [21]3 years ago

5 0

Answer: on edg it is d

Explanation:

likoan [24]3 years ago

4 0

The nucleus consists of the protons and neutrons. It contains the most mass in the atom.

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How many oxygen molecules are needed to make 10 carbon dioxide molecules according to the following balanced chemical equation?

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<h2 /><h2 /><h2>answer.</h2>

five oxygen molecules

step by step explanation.

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3 years ago

How many liters of o2 do you have if you have 5.8 moles of o2

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Answer:

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Explanation:

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3 years ago

Write a balanced net ionic equation for the following reaction: SrCl2(aq) + H2CO3(aq) → SrCO3(s) + HCl (aq)

max2010maxim [7]

We will balance the equation in the following order: metals, amethals, carbon, hydrogen and oxygen (the most common order).
The metal present in the equation is Sr, which is already balanced (there are 1 on each side of the equation).
The amethal present in the equation is Cl. There is 2 Cl in the left side and only one in the right side. So, we will multiply the quantity of the molecule that contains Cl by 2. Doing this, we'll obtain:

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$SrCl_2_{(aq)}+H_2CO_3_{(aq)}\to SrCO_3_{(s)}+2HCl_{(aq)}$

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2 years ago