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grandymaker [24]
2 years ago
6

Students are completing a table about a particular subatomic particle that helps make up an atom. The students have filled in on

e cell of the table so far. Based on the information shown, which statement about the subatomic particle must be correct? Its location is in the nucleus, because the particle is a proton or a neutron. Its location is in the nucleus, because the particle is a neutron or an electron. Its charge is +1, because the particle is a proton. Its charge is 0, because the particle is a neutron.
Chemistry
2 answers:
Semmy [17]2 years ago
5 0
Answer:
<span> Its location is in the nucleus, because the particle is a proton or a neutron.</span>
timofeeve [1]2 years ago
4 0

The subatomic particles can be neutron , electron or proton

the charge on proton = +1

the charge on electron =-1

the charge on neutron = 0

The position of electron = outside nucleus

the position of proton and neutron is nucleus

thus correct answer is Its location is in the nucleus, because the particle is a proton or a neutron.


You might be interested in
Stoichiometry<br> Please show how to get this I don't understand any part of it!!
tatiyna

Answer:

The following is a rather lengthy discussion on chemical stoichiometry, but it will lead you through the mole concept and its application to chemical reaction stoichiometry. The problems are different than the one posted, but if you can follow this, then you can work your problem of interest.

Explanation:

Stoichiometry is very easy to master if you understand the ‘mole concept’ and how it is used to define and describe chemical process mathematically. A ‘mole’ – in chemistry – is the mass of substance containing one Avogadro’s Number of particles. That is, N₀ = 6.023 x 10²³ particles / mole. When working with chemical reactions and equations data should be first converted to moles using the following conversions.  

1 mole = 1 formula weight = 6.023 x 10²³ particles = 22.4 liters at STP(0⁰, 1atm).

In this problem you are given the equation 2Na + 2H₂O => 2NaOH + H₂. ‘Reading the equation’ there are 2 moles of Na, 2 moles of water, 2 moles of NaOH and 1 mole of H₂. In another example 3H₂ + N₂ => 2NH₃ there are 3 moles of H₂, 1 mole of N₂ and 2 moles of NH₃. The mole values can be multiples or fractions but if one mole value increases all the remaining mole values increase or decrease proportionally. For example:

Using the equation 2Na + 2H₂O => 2NaOH + H₂, one could multiply the equation by 2 giving 4Na + 4H₂O => 4NaOH + 2H₂. The equation shows balance but is not in standard form. If one multiplies the equation by ½ gives Na + H₂ => NaOH + ½H₂. Again, the equation shows balance but is not in standard form.

Standard form of equation also implies the equation conditions are at 0⁰C & 1atm pressure and 1 mole of any gas phase substance occupies 22.4 Liters volume. Such is the significance of converting given data to moles as all other substance mass (in moles) are proportional.  

1st problem, 1.76 x 10²⁴ formula units of Na will react with water (usually read as an excess) to produce (?) grams of H₂.

1st write the equation followed by listing the givens below the respective formulas… That is…

                         Na                      +            H₂O       =>    NaOH    +    H₂,

Given:      1.76 x 10²⁴ atoms                excess             ---------          ? grams

               = 1.76 x 10²⁴atoms/6.023 x 10²³atoms/mole

               = 2.922moles                                        produces  =>    2.922moles H₂ (b/c coefficients of Na & H₂ are same)

                                                      Convert moles to grams =>    2.922moles H₂  x  2.000 grams H₂/mole H₂

                                                                                                              = 5.8443 grams H₂

2nd problem, 3.5 moles Na will react with H₂O (in excess) to produce (?) moles of NaOH.

Again, write equation and assign values to each formula unit in the equation.

                         Na                      +            H₂O        =>           NaOH    +    H₂,

Given:            3.5moles                       excess                      ? grams       ----

Since coefficients of balanced std equation are equal …

                      3.5 moles Na                          produces =>     3.5 moles NaOH

                                             Convert moles to grams =>     3.5 moles NaOH x 40 g Na/mole Na

                                                                                                  = 140 grams NaOH

3rd problem, 2.75 x 10²⁵ molecules H₂O will react with (?) atoms of Na.

Same procedure, convert to moles, solve problem by ratios then convert to needed dimension at end of problem.

                         Na          +            H₂O                                   =>           NaOH           +    H₂

Given:           excess            2.75 x 10²⁵ molecules H₂O    =>      ? atoms NaOH       ----

Convert to moles =>          2.75 x 10²⁵ molecules H₂O / 6.023 x 10²³ molecules H₂O/mole H₂O  

                                             = 45.658 moles H₂O              =>  45.658 moles NaOH  (coefficients are equal)

Convert moles NaOH to grams NaOH                            =>   45.658 moles NaOH x  40 grams NaOH/mole NaOH

                                                                                                     = 1826.33 grams NaOH  

Master the mole concept and you master a lot of chemistry! Good luck.

8 0
2 years ago
How many phosphorus atoms are present ?
Law Incorporation [45]

Answer:

The answer is option 2.

Explanation:

(PO4)2 = P2O8

Therefore, there are 2 Phosphorus atoms present .

3 0
3 years ago
How do doctors know that Lyme disease is caused by a bacterium and NOT a virus?
Savatey [412]

Answer: Doctors can diagnose the disease through physical findings such as a "bull's-eye" rash along with a history of symptoms. But not everyone has the rash, and not everyone can recall being bitten. Special blood tests can be taken three to four weeks after suspected contact to confirm the diagnosis.

Explanation: HOPE THIS HELPS HAVE A GOOD DAY!;)

5 0
2 years ago
Two opposing reaction (a + b c+D) occurring simultaneously
tekilochka [14]

Answer:

redox reaction

Explanation:

it's the only reaction occurs simultaneously, reduction and oxidation occur at the same time

5 0
3 years ago
Several atmospheric gases contribute to global warming: carbon dioxide, methane, and nitrous oxide. Considering this, which choi
tia_tia [17]

Answer:

A

help u and it's A

Explanation:

3 0
3 years ago
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