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
Papessa [141]
3 years ago
14

Match the atoms to their correct electron configuration. (Answer choices in photo)

Chemistry
1 answer:
zysi [14]3 years ago
6 0

Answer:

The answer to your questions are given below

Explanation:

The answer to the questions given above can simply be obtained by writing the electronic configuration of each atom.

The electronic configuration of each atoms can be written as follow:

Fluorine, F (9) => 1s² 2s²2p⁵

Sodium, Na (11) => [Ne] 3s¹

Helium, He (2) => 1s²

Calcium, Ca (20) => [Ar] s²

Nitrogen, N (7) => 1s² 2s²2p³

Sulphur, S (16) => [Ne] 3s²3p⁴

You might be interested in
What is the biome of danmarkshavn of Greenland?
earnstyle [38]

A picture. hope this helps at least a little.

3 0
3 years ago
Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simulta
Brut [27]

Answer:

The molar mass of unknown gas is 145.82 g/mol.

Explanation:

Volume of oxygen gas effused under time t = 8.24 mL

Effusion rate of oxygen gas = R=\frac{8.24 mL}{t}

Molar mass of oxygen gas = 32 g/mol

Volume of unknown gas effused under time t = 3.86 mL

Effusion rate of unknown gas = R'=\frac{3.86 mL}{t}

Molar mass of unknown gas = M

Graham's Law states that the rate of effusion or diffusion of gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows the equation:

\text{Rate of diffusion}\propto \frac{1}{\sqrt{\text{Molar mass of the gas}}}

\frac{R}{R'}=\sqrt{\frac{M}{32 g/mol}}

\frac{\frac{8.24 mL}{t}}{\frac{3.86 mL}{t}}=\sqrt{\frac{M}{32 g/mol}}

M=\frac{32 g/mol\times 8.24 \times 8.24}{3.86\times 3.86}=145.82 g/mol

4 0
3 years ago
CO2 + H2O -------> H2CO3 balance and classify this equation
borishaifa [10]
CO2 + H2O = H2CO3
<span>
Your equation is already balanced, and the reaction type is: </span><em><u>synthesis.</u></em>
6 0
4 years ago
Read 2 more answers
Calculate the Molarity of NaOH in the
tigry1 [53]
Waaaaaaaaaaaaaaaaaaaàqqqqqqqaaaaaaaaaa i need points the answer is...
3 0
3 years ago
Read 2 more answers
Classify each of the following chemical reactions.
horsena [70]

Answer:

1. S+ O2-->So2..... synthesis reaction or direct combination.

2.. precipitation reaction

3. Displacement reaction

4. Decomposition reaction

5 0
4 years ago
Read 2 more answers
Other questions:
  • A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4Na3PO4, for a laboratory experiment. How many grams of
    12·1 answer
  • To neutralized 1.65g LiOH, how much .150M HCl would be needed?
    12·1 answer
  • What climate zone includes Antarctica?
    14·1 answer
  • A scientist analyzes four samples of compounds. He finds the first compound contains 10 grams of sodium, 211 grams of potassium,
    9·1 answer
  • If a central atom has four groups attached to it, the geometry about the central atom is: a) triangular. b) linear. c) pyramidal
    7·1 answer
  • The Tris/Borate/EDTA buffer (TBE) is commonly made as a 5x solution. What volumes of 5x TBE and water are required to make 500 m
    9·1 answer
  • One similarity between a small, solid
    10·1 answer
  • A sample of an unknown gas effuses in 11.2 min. an equal volume of h2 in the same apparatus at the same temperature and pressure
    13·1 answer
  • Isotopes are atoms of the same element that have different O principal chemical properties, masses. O numbers of protons, O numb
    13·1 answer
  • 1. How is a bicycle race like a chemical reaction? The Tour de France is one of the most famous bicycle races in the world. It i
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!