1 year ago

How many electrons, protons and neutrons does the element Argon have?

Chemistry

1 answer:

erik [133]1 year ago

8 0

Answer:

18 Protons

18 Neutrons

18 Electrons

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Please help Sodium (Na) has an atomic number of 11 and an atomic mass of 23. Which of the following correctly shows the electron

fredd [130]

2,8,1
It's in group 1, so its outershell only has 1 electron, and the other shells are completely filled, so 2 then 8. :)

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3 years ago

In this experiment the crest of one wave combined with the crest of the second wave to produce _______________.

timurjin [86]

Answer:

B a large upward displacement

Explanation:

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2 years ago

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2) A balloon was inflated to a volume of 5.0 liters at a temperature of

TEA [102]

Answer:

6.12 L

Explanation:

Given that,

Initial volume, V₁ = 5 L

Initial temperature, T₁ = 7.0°C = 343 K

Final temperature, T₂ = 147°C = 420 K

We need to find its new volume. The relation between volume and temperature is given by :

$\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}\\\\V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{5\times 420}{343}\\\\V_2=6.12\ L$

So, the new volume is 6.12 L.

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2 years ago

A 500.0 mL sample of 0.18 MHClO4 is titrated with 0.27 MCsOH. Determine the pH of the solution after the addition of 250.0 mL of

NNADVOKAT [17]

Answer:

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2 years ago

What has the highest ionization energy?

Inessa [10]

<span>the highest ionization energy is Be, it is higher and righter than other elements in periodic table, so it harder to remove electron from its atom</span>

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2 years ago