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
DanielleElmas [232]
3 years ago
7

How many elements are in the following equation? salt pure water(NaC/ + H2O)

Chemistry
2 answers:
vesna_86 [32]3 years ago
8 0
Hey! I believe that there are 4 elements in the equation.
AlexFokin [52]3 years ago
6 0

Answer:

4

Explanation:

Sodium Na, Carbon C, hydrogen H2, Oxygen O

You might be interested in
Properties of waves poem plzz help!!!!!!
GalinKa [24]

Answer:

They include frequency, period,speed,amplitude and phase

3 0
3 years ago
What is the correct name for the cyclic alkane<br><br> shown on the right?
NISA [10]
What is the correct name for the cyclic alkane shown on the right? 1,3-dimethyl, 3-ethylcyclohexane 1-ethyl, 1,4-dimethylcyclohexane 1-ethyl-1,3-dimethylcyclohexane 1-ethyl-1,3-dimethylcyclopentane 1,3 dimethyl, 3- ethylcyclopentane A
5 0
3 years ago
Two elements next to each other that have decreasing atomic masses
pogonyaev

Answer:

  • <u>Tellurium (Te) and iodine (I) are two elements </u><em><u>next to each other that have decreasing atomic masses.</u></em>

Explanation:

The <em>atomic mass</em> of tellurium (Te) is 127.60 g/mol and the atomic mass of iodine (I) is 126.904 g/mol; so, in spite of iodine being to the right of tellurium in the periodic table (because the atomic number of iodine is bigger than the atomic number of tellurium), the atomic mass of iodine is less than the atomic mass of tellurium.

The elements are arranged in increasing order of atomic number in the periodic table.

The atomic number is equal to the number of protons and the mass number is the sum of the protons and neutrons.

The mass number, except for the mass defect, represents the atomic mass of a particular isotope. But the atomic mass of an element is the weighted average of the atomic masses of the different natural isotopes of the element.

Normally, as the atomic number increases, you find that the atomic mass increases, so most of the elements in the periodic table, which as said are arranged in icreasing atomic number order, match with increasing atomic masses. But the relative isotope abundaces of the elements can change that.

It is the case that the most common isotopes of tellurium have atomic masses 128 amu and 130 amu, whilst most common isotopes of iodine have an atomic mass 127 amu. As result, tellurium has an average atomic mass of 127.60 g/mol  whilst iodine has an average atomic mass of 126.904 g/mol.

5 0
3 years ago
Which of the following hypotheses cannot be tested using the scientific method
Arturiano [62]
I believe it's answer #3. Logically, at least.

You can test #1 through trial and error.
You can experiment #2 also through trial and error.
You cannot test #3 through trial and error, because that would be catastrophic.
You can test #4 through a survey and individual study and data collection.
7 0
3 years ago
Read 2 more answers
When two atoms are bonded and have a large difference in electronegativity:<br> HELP PLEASEEE
Fofino [41]

Answer:

Second option - The bond is very polar

Explanation:

Electronegativity of an basically refers to the degree at which an electron is able to attract electrons to itself.

There are different types of bonds between atoms, depending on the electronegativity of the atoms.

When there is a large difference in electronegativity, it pretty much means that one atom would draw electrons more than the other. When this happens, the bond is said to be polar because there is uneven distribution of the charges.

The second option is the correct answer in thus question.

3 0
2 years ago
Other questions:
  • Q3 You measure about 100 quarters...
    6·1 answer
  • Which element is a liquid at 758 K and standard pressure?
    9·1 answer
  • When calcium (Ca) is mixed with hydrochloric acid (HCl), a single replacement reaction occurs. What will be the product or produ
    11·2 answers
  • You make a salt water solution by dissolving salt in water. In order to separate the salt back out of the solution, what should
    10·2 answers
  • The diagram below represents a plan cell Letter X represents a structure in the cell ​
    9·1 answer
  • 1.Vertical columns in the periodic table indicate what information? A.periods B.liquids C.synthetic elements D.groups and famili
    14·1 answer
  • Чому вирівнювання хімічних рівнянь є обов´язковим
    6·1 answer
  • Which drug presents the greatest challenges to forensic science
    5·1 answer
  • Convert 76.78 g of CO2 to a volume.
    8·1 answer
  • What substances are produced when an acid reacts with a base?.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!