1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
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

You might be interested in
Compare the solubility of silver chromate in each of the following aqueous solutions: Clear All 0.10 M AgCH3COO 0.10 M Na2CrO4 0
slavikrds [6]

Solution :

Comparing the solubility of silver chromate for the solutions :

$0.10 \ M \ AgCH_3COO$    -----     Less soluble than in pure water.

$0.10 \ M \ Na_2CrO_4$   ----- Less soluble than in pure water.

$0.10 \ M \ NH_4NO_3$   -----   Similar solubility as in the pure water

$0.10 \ M \ KCH_3COO$   -----   Similar solubility as in the pure water

The silver chromate dissociates to form :

$AgCrO_4 (s) \rightleftharpoons 2Ag^+ (aq) +CrO_4^{2-}(aq)$

When 0.1 M of $AgCH_3COO^-$ is added, the equilibrium shifts towards the reverse direction due to the common ion effect of Ag^+, so the solubility of Ag_2CrO_4 decreases.

Both AgCH_3COO and $KCH_3COO$ are neutral mediums, so they do not affect the solubility.

 

4 0
3 years ago
Which of the following describes a community?
Ostrovityanka [42]
I would say the answer is C
7 0
3 years ago
Read 2 more answers
2) Which liberates the most energy?
evablogger [386]

Answer: F(g)+e^-\rightarrow F^-(g)

Explanation:

Electron gain enthalpy is defined as energy released on addition of electron to an isolated gaseous atom.  

The amount of energy released will be maximum when the tendency to attract electrons is maximum. As flourine has atomic number of 9 and has electronic configuration of 2,7. It can readily gain 1 electron to attain stable noble gas configuration and hence liberates maximum energy.

F(g)+e^-\rightarrow F^-(g)

4 0
3 years ago
explain what happens to the energy stored in an item after it stops working or is no longer functional. Explain in depth
gulaghasi [49]

Answer:

it gets rust and could not run properly

6 0
3 years ago
4. Describe the water conditions in the latitudes where coral reefs are found.<br> Help
Fofino [41]

Answer:

  • Most coral reefs lie between the latitudes of 30 degrees north and south where sea temperatures are warmest.
  • it is generally present in tropical and semi-tropical waters.
3 0
3 years ago
Other questions:
  • HURRY
    12·1 answer
  • Does any one have a sixth grade Ohio science fusion book
    6·1 answer
  • The mass of a proton is 1.00728 amu andthat of a neutron is 1.00867 amu. What is the binding energy pernucleon (in J) of a Co nu
    10·1 answer
  • Which Of the following, the best explanation for the fact that most gases are easily compressed is that the molecules in a gas a
    5·1 answer
  • how much water must be added when 125 mL of a 2.00 M solution of HCl is diluted to a final concentration of 0.400M?
    8·2 answers
  • Which of the following statements about matter is false?
    11·2 answers
  • Two separate masses of zinc were measured on a laboratory balance. The first zinc had a sample mass of 210.10g, and the second z
    12·1 answer
  • Electromagnetic energy that travels in transverse waves which produces visible light is
    9·1 answer
  • Which of the following Noble Gases has only 2 valence electrons because it only has 1 energy level?
    15·1 answer
  • Why is the top ruler more reliable in measuring length than the bottom ruler?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!