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
bekas [8.4K]
3 years ago
15

Which formula represents an ionic compound? a. NaCl b. N2O c. HCl d.H2O

Chemistry
1 answer:
icang [17]3 years ago
3 0
I think the correct answer from the choices listed above is option A. It is NaCl the formula that represents an ionic compound. An ionic compound is held my oppositely charged atoms. Therefore, this would mean that one is a positive and another is a negative held together. NaCl is held by these forces.
You might be interested in
The chief advantage of the metric system over other systems of measurement is that it ____.
OlgaM077 [116]

The chief advantage of the metric system over other systems of measurement is that it B. is in multiples of 10.

This can be seen in the picture below that shows the prefixes of the metric system.


7 0
3 years ago
Read 2 more answers
Please help <br> Show your work
Yuliya22 [10]

Answer:

21

Explanation: 2+1=21

6 0
2 years ago
How many atoms are there in each of the following ?a.)1.50 mol Na c.) 0.250 mol. Sib.)6.755 mol Pb
tamaranim1 [39]
a) \: n = \frac{N}{NA} \\ 1.5 = \frac{x}{6.02 \times \: {10}^{23} } \\ x = 1.5 \times 6.02 \times {10}^{23} \\ x = 9.03 \times {10}^{23} \: atoms \: of \: Na

b) \: n = \frac{N}{NA} \\ 0.25 = \frac{x}{6.02 \times \: {10}^{23} } \\ x = 0.25 \times 6.02 \times {10}^{23} \\ x = 1.505 \times {10}^{23} \: atoms \: of \: Si \:
c) \: n = \frac{N}{NA} \\ 6.755 = \frac{x}{6.02 \times \: {10}^{23} } \\ x = 6.755 \times 6.02 \times {10}^{23} \\ x = 40,6651 \times {10}^{23} \\ x = 4.07 \times {10}^{24} \: atoms \: of \: Pb \:
5 0
3 years ago
Part B Change the distance of the electron from the center position as it moves up and down. What relationship do you notice bet
Mrrafil [7]

Answer:

The movement of the electron changes the amplitude of the wave. The farther the electron moves from the center position, the greater the amplitude.

Explanation:

5 0
3 years ago
Read 2 more answers
A 100g sample of Carbon-14 has a half-life of 5 years. How much Carbon-14 is left after 10 years?
attashe74 [19]

Answer: The amount of carbon-14 left after 10 years is 25 g

Explanation:

Formula used :

a=\frac{a_o}{2^n}

where,

a = amount of reactant left after n-half lives = ?

a_o = Initial amount of the reactant = 100 g

n = number of half lives =\frac{\text {given time}}{\text {half life}}=\frac{10}{5}=2

Putting values in above equation, we get:

a=\frac{100g}{2^2}

a=\frac{100g}{4}=25g

Therefore, the amount of carbon-14 left after 10 years is 25 g

6 0
3 years ago
Other questions:
  • What must be true about two objects if heat is flowing between them?
    5·2 answers
  • Which condition must be met in order for an equation to be balanced? The elements in the reactants are the same as the elements
    9·2 answers
  • What are some examples of chemistry research when it comes to energy
    9·1 answer
  • Calculate the root mean square (rms) average speed of the atoms in a sample of xenon gas at 0.15 atm and -55c
    14·1 answer
  • Which question can be answered using the scientific method ?
    8·1 answer
  • Which of the following are state functions?: Temperature, Enthalpy, Exergy, Internal Energy, Adiabatic Work, Heat (2 marks) b) P
    6·2 answers
  • HELP ME!!!! What is the gravitational potential energy stored in a church bell with a mass of 60 Kg hanging in a church steeple
    6·1 answer
  • ___AsCl3+____H2S--&gt;___As2S3+___HCI​
    10·1 answer
  • A chemist has dissolved a certain substance in water. The chemist knows that more of the substance could be dissolved into the w
    10·2 answers
  • How do atomic and molecular interactions explain the properties of matter that we see and feel
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!