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4 years ago

Which of these particles are classified as hadrons? a. leptons c. mesons b. electrons d. neutrinos

Chemistry

2 answers:

agasfer [191]4 years ago

5 0

Answer:

C mesons

Explanation:

Hardrons are subatomic particles that are made by quarks.

Mesons is an example of hardon. and belong to this group.

disa [49]4 years ago

4 0

The answer would be mesons.

Hope this image helps you! :)

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Metals lose electrons under certain conditions to attain a noble gas electron configuration. How many electrons must be lost by

viva [34]

Answer:

2 electrons

E. neon

Explanation:

Metals lose electrons under certain conditions to attain a noble gas electron configuration. Magnesium has 12 electrons and its electron configuration is

1s² 2s² 2p6⁶ 3s²

When magnesium loses 2 electrons, it acquires the electron configuration of neon (10 electrons).

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3 years ago

Calcium carbonate forms limestone, one of the most common rocks on Earth. It also forms stalactites, stalagmites, and many other

max2010maxim [7]

Answer: $CaCO_3(s)\rightarrow CaO(s)+CO_2(g)$ , 0.533 L

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

$CaCO_3(s)\rightarrow CaO(s)+CO_2(g)$

According to avogadro's law, 1 mole of every substance occupies 22.4 L of volume at STP.

Number of moles = $\frac{\text {given mass}}{\text {Molar mass}}$

moles of calcium carbonate = $\frac{2.38g}{100g/mol}=0.0238mol$

As 1 mole of calcium carbonate produces = 22.4 L of carbon dioxide at STP

Thus 0.0238 moles of calcium carbonate produces = $\frac{22.4 L}{1}\times 0.0238=0.533L$ of carbon dioxide at STP

3 0

3 years ago

Select the best definition of salt water:

hoa [83]

Water that contains large amounts of disolved salts

4 0

2 years ago

Read 2 more answers

In an ionic bond:

xz_007 [3.2K]

The answer I'm pretty sure is a because it can't be d because ionic binding the electrons are affected and it can't be c because that's covalent bonding and it can't be b because they don't swap electrons.

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3 years ago

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What would most likely happen to fish in a pond with low levels of dissolved oxygen?

MA_775_DIABLO [31]

It would probably die

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4 years ago