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Dmitriy789 [7]
2 years ago
13

For each of the following atomic numbers, use the periodic

Chemistry
1 answer:
Cerrena [4.2K]2 years ago
6 0

The ions in a formed;

  • 13 - Al - Al^3+
  • 34 - Se - Se^2-
  • 56 - Ba - Ba^2+
  • 7 - N - N^3-
  • 87 - Fr - Fr^+
  • 35 - Br - Br^-

<h3>What is the atomic number?</h3>

The atomic number is the number of protons in an atom. It is also the number electrons in the neutral atom. Now we know that when an ion is formed, electrons are lost or gained by the atom.

Let us now write the ions that are formed by each of the atoms of elements that have the atomic number as listed;

  • 13 - Al - Al^3+
  • 34 - Se - Se^2-
  • 56 - Ba - Ba^2+
  • 7 - N - N^3-
  • 87 - Fr - Fr^+
  • 35 - Br - Br^-

Learn more about atomic number:brainly.com/question/16858932

#SPJ1

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Zigmanuir [339]

Answer:

1. Nitrous Acid

2. Hydroiodic Acid

3. Phosphoric Acid

Explanation:

Just did the lesson

7 0
3 years ago
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In a titration of 0.35 M HCl and 0.35 M NaOH, how much NaOH should be added to 45.0 ml of HCl to completely neutralize the acid?
Bezzdna [24]
It would be the same amount. So, 45 ml of NaOH is required to be added to the 45 ml of HCI to neutralize the acid fully. Here is a brief calculation:

Firstly, here is your formula: M(HCI) x V(HCI) = M(NaOh) x V(NaOH) 
With the values put in: 0.35 x 45 = 0.35 x V(NaOH) 
= 45 ml. 
There is 45 ml of V(NaOH)

Let me know if you need anything else. :)

           - Dotz
6 0
3 years ago
What are the names of the stable forms of oxygen?
zloy xaker [14]

Answer:

18 O, 17 O, and 16 O

Explanation:

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5 0
3 years ago
If all other variables remain unchanged, what happens to the output force when the area of the input piston is doubled?
mars1129 [50]

Answer:

1250N

Explanation:

This question is based on pascal's Law.

So By Pascal's Law

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therefore  =force on input piston =25N

                  = Force or weight on output person.

therefore after putting the values we get,

= (25x 1500)/30

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3 0
3 years ago
What is the volume of 88.2 g of silver metal (density = 10.50 g/cm^3)
babymother [125]

Answer:

The answer is

<h2>8.4 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass = 88.2 g

density = 10.5 g/cm³

The volume is

volume =  \frac{88.2}{10.5}

We have the final answer as

<h3>8.4 mL</h3>

Hope this helps you

8 0
3 years ago
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