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
never [62]
3 years ago
5

Please help Sodium (Na) has an atomic number of 11 and an atomic mass of 23. Which of the following correctly shows the electron

arrangement for sodium?
2, 9 2, 8, 1 2, 8, 2 2, 9, 1
Chemistry
1 answer:
fredd [130]3 years ago
3 0
2,8,1
It's in group 1, so its outershell only has 1 electron, and the other shells are completely filled, so 2 then 8. :)
You might be interested in
You place a carrot in salt water for 24 hours. What do you observe about the carrot at the end of that time? Choose the two corr
natka813 [3]

Answer:

A & E

Explanation:

Salt water is a hypertonic solution, meaning it extracts water from whatever is placed in it. When a carrot loses water, it will most likely shrivel up and become limp.

8 0
3 years ago
Read 2 more answers
Write an overall equation for the acid-base reaction that would be required to produce the following salt. MgCl2
harina [27]
Mg+Cl2--> MgCl2

Magnesium plus chlorine equals magnesium chloride
7 0
3 years ago
Read 2 more answers
Consider the heating curve of H2O and line segments A, B, and C. Several changes are taking place at A, B, and C. All BUT ONE wo
Tamiku [17]

Explanation:

The answer is space between molecules decreases.

Hope this helps .>.

3 0
3 years ago
Read 2 more answers
Graphite, an allotrope of carbon, is converted into cubic diamond through a process that may take a billion years or longer.
andriy [413]

Answer:

The given statement is true.

Explanation:

The given statement is true.

As per an estimate, to convert graphite into diamond nearly 1 billion to 3.3 billion years of time is required.

Graphite converts into diamond when high-pressure is applied deep in the earth core.

5 0
3 years ago
Which statement best describes an igneous intrusion? 
Andrew [12]
D. Magma is injected into surrounding rock forming an igneous intrusion.

Igneous intrusion forms when magma from under the surface of the earth is slowly pushed up to occupy spaces or cracks found among rocks and cools down and solidifies before it reaches the surface of the earth.
4 0
3 years ago
Other questions:
  • What is the ionic equation of Aqueous calcium bromide was mixed with aqueous gold(I) perchlorate, and a crystallized gold(I) bro
    11·1 answer
  • How many grams are in 3.8 moles of Li?
    7·1 answer
  • Science 5.13 unit 5 PLZZZ HELPPPP 99 point
    6·2 answers
  • What is meant by the term chemical reaction​
    14·1 answer
  • WILL MARK BRAINLIEST IF GOOD EXPLANATION...
    12·1 answer
  • When seawater freezeswhat happens to the salt?
    9·1 answer
  • A gas with a volume of 4.0L at a pressure of 205 kPa is allowed to expand to a volume of 12000 mL. What is the pressure in atmos
    11·1 answer
  • if the climate warmed which of the following would be caused by rising temperatures? .a. an increase in sea levels. b. an increa
    8·1 answer
  • Why was the measurement unit for metal content in Experiments 1 and 2 different? In Experiment 1:
    14·1 answer
  • What are the most abundant metal in the earths crust from 1 to 10​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!