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kotykmax [81]
3 years ago
13

Removing one electron from an atom results in the formation of an Question 7 options: ion with a 1- charge. ion with a 7+ charge

. ion with a 1+ charge. ion with a 7- charge.
Chemistry
1 answer:
olga nikolaevna [1]3 years ago
5 0

I believe it is an ion with a 1+ charge. If you remove an electron from an atom it will have a positive charge. But if you add electrons it will be a negative charge. Hope I helped!

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Which particles may be gained lost or shared by an atom when it forms a chemical bond?
Maru [420]

Answer:

B.

Explanation:

electrons can be lost by one particle, and gained by another particle

6 0
3 years ago
Lionel has a hot plate, a thermometer, a container of water, a spoon, and a small hammer. Using these tools,
DIA [1.3K]

Answer:

atomic structure

Explanation:

Its pretty obvious. Nothing here can test atomic structure. You can test melting point, with a hot plate. You can test the ability to dissolve something with the container of water. You can test brittleness  with the hammer.

6 0
3 years ago
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1. Naturally occurring europium (Eu) consists of two isotopes was a mass of 151 and 153. Europium- 151 has an abundance of 48.03
sergejj [24]
The atomic mass of Europium is 152 amu

Work:
151(0.4803) = 72.52 amu
153(0.5197) = 79.5 amu
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3 0
3 years ago
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Under certain conditions Argon gas diffuses at a rate of 3.2 cm per second under the same conditions an unknown gas diffuses at
kozerog [31]

Answer:

20 g/mol

Explanation:

We can use <em>Graham’s Law of diffusion</em>:

The rate of diffusion (<em>r</em>) of a gas is inversely proportional to the square root of its molar mass (<em>M</em>).

r = \frac{1 }{\sqrt{M}}

If you have two gases, the ratio of their rates of diffusion is

\frac{r_{2}}{r_{1}} = \sqrt{\frac{M_{1}}{M_{2}}}

Squaring both sides, we get

(\frac{r_{2}}{r_{1}})^{2} = \frac{M_{1}}{M_{2}}

Solve for <em>M</em>₂:

M_{2} = M_{1} \times (\frac{r_{1}}{r_{2}})^{2}

M_{2} = \text{39.95 g/mol} \times (\frac{\text{3.2 cm/s}}{\text{4.5 cm/s}})^{2}= \text{39.95 g/mol} \times (0.711 )^{2}

= \text{39.95 g/mol} \times 0.506 = \textbf{20 g/mol}

7 0
3 years ago
Is the center of an atom is called the nucleus?​
Nuetrik [128]

Answer:

The center of the atom contains the nucleus so yes

Explanation:

3 0
3 years ago
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