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
brilliants [131]
2 years ago
10

I need help in thiss

Chemistry
1 answer:
Papessa [141]2 years ago
8 0
I know CL is chlorine and NA is sodium.
You might be interested in
A section of the periodic table is shown below: A portion of two rows of the periodic table is shown. The first row reads two he
cluponka [151]

 The statement  which is true  is

Fluorine  is more reactive  than nitrogen because fluorine  needs  only  one electron to fill  its  outermost  shell.


     <u><em>Explanation</em></u>

Fluorine  has  electron configuration  of 1S²2S²2P⁵  while nitrogen  has 1S²2S²2P³  electron configuration.

The 2P sub shell  for nitrogen   is  half filled  therefore it is sable  than fluorine.

since  p orbital  can hold a maximum  of  6  electrons ,Fluorine  requires  1 electron  to  completely fill  it's 2P  sub shell  which make it    more  reactive than nitrogen.



7 0
3 years ago
Antibiotics do not reduce the number of helpful and harmful bacteria in the microbiome.
stira [4]

Answer:

false; the purpose of antibiotics is to kill bacteria

Explanation:

7 0
3 years ago
Read 2 more answers
An example of a physical property of an element is the element's ability to what?
anygoal [31]

Explanation:

Appearance, melting point, density, solubility, polarity

8 0
3 years ago
a solution of common salt and a sample of muddy water are placed separately in two breakers. which one is hetrogeneous and which
arsen [322]

Answer:

a solution of salt is homogeneous mixture

a sulution of muddy water is heterogeneous mixture

Explanation:

reason for salt and water as homogeneous mixture because water dissolves salt easily unlikely heterogeneous mixture in which water cannot dissolve mud in it

8 0
3 years ago
Which elements are in the same period?
worty [1.4K]

Answer:

Elements that are in the same period have chemical properties that are not all that similar. Consider the first two members of period 3: sodium (Na) and magnesium (Mg). In reactions, they both tend to lose electrons (after all, they are metals), but sodium loses one electron, while magnesium loses two.

Explanation:

(Hoped this helped! :D)

5 0
3 years ago
Other questions:
  • In writing an element's symbol the first letter is always ________________ and the second letter is ____________________. A) cap
    5·2 answers
  • 65 m^3 are fed / h of benzene to a reactor, it is requested: to. What is the mass flow fed in kg / h? b. And the molar flow in m
    15·1 answer
  • Pick an appropriate solvent to dissolve a glucose(polar b salt(ionic cvegetable oil(non polar? d sodium nitrate (ionic
    12·1 answer
  • Why is it not possible to directly count the number of particles in a mole?
    15·1 answer
  • What is meant by localised orbitals? Explain.
    9·1 answer
  • Genetic engineers must modify eukaryotic genes so that they can be expressed in bacterial host cells. The DNA from a eukaryotic
    9·1 answer
  • Two 15.Kg objects are placed at four different distances from each other. At which distance would the two objects have the stron
    10·1 answer
  • Describe the relationship between the potential difference across the resistor and
    6·1 answer
  • Find odd one out for (Air,salt solution,sandwich)​
    6·1 answer
  • How many grams of iron can be made with 21.5g of Fe2O3
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!