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Mamont248 [21]
3 years ago
10

If a neutral atom has 5 protons (+) and 5 neutrons (0), how many electrons does it have?

Chemistry
1 answer:
BlackZzzverrR [31]3 years ago
7 0

Answer: i think maybe 10.

Explanation:

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Explain why water and sodium oxide will have very different properties
Softa [21]

Water and sodium oxide have different properties because of their nature as explained below.

<h3><u>Explanation:</u></h3>

Sodium oxide is a oxide of metallic sodium, while water is an oxide of hydrogen. So sodium oxide is a metallic oxide, while water is a non metallic oxide. Sodium oxide is a basic oxide, while water is neutral. As state of matter is concerned, sodium oxide is solid in normal room temperature, while water is liquid in normal room temperature. Water is a polar covalent molecule with partial charges on oxygen, but sodium oxide is an ionic molecule.

So all these factors contribute to very different properties of both sodium oxide and water.

4 0
3 years ago
It takes 93.75 mL of a 0.200 M NaOH to neutralize 75.0 mL of an unknown
borishaifa [10]

Answer:

the answer is the second option

5 0
2 years ago
Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each
SIZIF [17.4K]
They did not repeat their tests multiple times.

Reason being is using the same stopwatch doesn’t matter and changing the reactants won’t help, and you without a doubt need more than one person collecting the data so,

They did not repeat their tests multiple times is the answer.
4 0
2 years ago
If the concentration of a KCl solution is 16.0% (m/v), then the mass of KCl in 26.0 mL of solution is ________.
melomori [17]

Answer:

The correct answer is 4.16 grams.

Explanation:

Based on the given information, the concentration of KCl solution is 16 % m/v, which means that 100 ml of the solution will contain 16 grams of KCl.

The molarity of the solution can be determined by using the formula,

M = weight/molecular mass × 1000/Volume

The molecular mass of KCl is 74.6 grams per mole.

M = 16/74.6 × 1000/100

M = 16/74.6

M = 2.14 M

Now the weight of KCl present in the solution of 26 ml will be,

2.14 = Wt./74.6 × 1000 /26

Wt. = 4.16 grams

3 0
2 years ago
Name the five methods used for the formation of salts??
Viefleur [7K]

Explanation:

In chemistry, a salt is a chemical compound consisting of an ionic assembly of cations and anions.[1] Salts are composed of related numbers of cations (positively charged ions) and anions (negatively charged ions) so that the product is electrically neutral (without a net charge). These component ions can be inorganic, such as chloride (Cl−), or organic, such as acetate (CH

3CO−

2); and can be monatomic, such as fluoride (F−) or polyatomic, such as sulfate (SO2−

4).

5 0
3 years ago
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