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3 years ago

How does an atom become charged?

Chemistry

1 answer:

inessss [21]3 years ago

8 0

Answer:

An atom becomes charged when there is an unequal amount of positive and negative particles in the nucleus.

An atom gets a positive charge when there is an increase in protons or a decrease in electrons, such that there are more protons than electrons in the nucleus.

An atom gets a negative charge when there is an increase in electrons or a decrease in protons, such that there are more electrons than protons in the nucleus.

An atom can get a charge with a change of particles in the nucleus if that change results in an uneven number of protons and electrons.

Explanation:

Because protons are positively charged particles and electrons are negatively charged particles, a neutral atom has an equal amount of protons and electrons, so that the opposite charges of the particles cancel each other out.

However, if there is an unequal amount of protons or electrons in the nucleus, the charge of the particles will no longer be canceled out, and the atom as a whole will take on a positive or negative charge.

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Which of the following causes the formation of ionic bonds

pantera1 [17]

Answer: b. One atom transferring electrons to another atom

Explanation: An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal.

Covalent bonds are formed by sharing of electrons between non metals

For example, In calcium iodide the one electron from calcium metal gets transferred to iodine atom and thus form an ionic bond to give $CaI_2$

Electronic configuration of calcium:

$[Ca]=1s^22s^22p^63s^23p^64s^2$

Calcium atom will lose two electron to gain noble gas configuration and form calcium cation with +2 charge.

$[Ca^{2+}]=1s^22s^22p^63s^23p^6$

Electronic configuration of iodine:

$[I]=1s^22s^22p^63s^23p^64s^23d^{10}4p^5$

Iodine atom will gain one electron to gain noble gas configuration and form iodide ion with -1 charge.

$[I^-]=1s^22s^22p^63s^23p^64s^23d^{10}4p^6$

7 0

3 years ago

Kia is doing an experiment in science lab. She is given a beaker containing 100 g of liquid. The beaker has markings on the side

vlabodo [156]

The key to solving this problem is density. Density determines the mass of a molecule for a certain volume. Kia is given a beaker containing 100 g which volume is at 100 mL mark. Then the density of the liquid would be:
density=mass/volume
density= 100g/ 100ml= 1g/ml

If the water now comes up to the 50 mL mark, then the weight would be:
density = mass/volume
mass = volume * density
mass = 50ml * (1g/ml)= 50g

3 0

4 years ago

Read 2 more answers

Write the chemical equation for this reaction. Use the picture I provide!

Lesechka [4]

Answer:

H2O

Explanation:

because the are only two hydrogen that can react to Oxygen

3 0

2 years ago

_______ waves occur when the motion of the medium is parallel to the direction of the wave.

Vika [28.1K]

Longitudinal. (just remember that Transverse waves are perpendicular. T is like an inverted perpendicular sign)

5 0

3 years ago

Brad and Matt are working in the lab. They noticed that when they mixed two dilute solutions together, the reaction between them

Tju [1.3M]

Answer:

c.) increase the concentration of one of the solutions

Explanation:

3 0

3 years ago