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
Zanzabum
2 years ago
11

What element has the mass number of 2 and 1 neutron ​

Chemistry
2 answers:
AysviL [449]2 years ago
8 0
Deuterium, Deuterium is an isotope of hydrogen that is composed of one proton, one neutron, and one electron. The nucleus of deuterium is composed of a proton and a neutron. The symbol for deuterium is given as 2H. The atomic number of deuterium is 1 and the mass number is 2.
Bezzdna [24]2 years ago
7 0

Answer: Deuterium.

Explanation: Deuterium is an isotope of Hydrogen that is composed of one proton, one neutron, and one electron.

You might be interested in
A student wants to prepare a solution of cobalt(II) fluoride with a known molarity.
swat32

Answer:

\large \boxed{\text{1.52 g}}

Explanation:

1. Calculate the moles of CoF₂ needed

n = \text{0.100 L} \times \dfrac{\text{0.157 mol}}{\text{1 L}}  = \text{0.0157 mol}

2. Calculate the mass of CoF₂

m = \text{0.0157 mol} \times \dfrac{\text{96.93 g}}{\text{1 mol}}  = \text{1.52 g}\\\\\text{ The student must measure out $\large \boxed{\textbf{1.52 g}}$ of cobalt(II) fluoride}

5 0
4 years ago
Describe the relationship between potential and kinetic energy
pashok25 [27]

We know potential energy is position relative, and kinetic energy is motion relative. The primary relationship between the two is their ability to transform into each other. In other words, potential energy transforms into kinetic energy, and kinetic energy converts into potential energy, and then back again.

5 0
3 years ago
How is a shadow created during a lunar or solar eclipse?
Zepler [3.9K]
However, as a result of the Sun's large angular size, solar<span> illumination is only partially blocked in the outer portion of the Earth's </span>shadow<span>, which is given the name penumbra. A penumbral </span>eclipse<span> occurs when the Moon passes through the Earth's penumbra. The penumbra causes a subtle darkening of the Moon's surface.</span>
7 0
3 years ago
8.00*10^-5 mol was diluted to 500ml what is the concentration in Mol/L?
OLEGan [10]
Make sure all units are consistent. Convert ml to L first. (500ml = 0.5L). Then divide the mole by the volume which would result to 1.6*10^-4mol/L. This can also be expressed as interms of molarity (M). 1 M = 1 mol/L hence the final answer is <span>1.6*10^-4 M. </span>
8 0
4 years ago
Read 2 more answers
True or False: <br><br> All stars are the same color.
nadezda [96]

Answer:

False

Explanation:

They are not the same color since they do not all have the same temperature

Temperature defines their color

8 0
3 years ago
Read 2 more answers
Other questions:
  • A 25.0 mL sample of a solution of an unknown compound is titrated with a 0.115 M NaOH solution. A buffer region was found around
    7·1 answer
  • Hydrogen peroxide spontaneously decomposes to yeild water and oxygen. Balance this reaction.
    12·2 answers
  • As elevation increases, temperature decreases. At which elevation will sound travel fastest?
    9·1 answer
  • Why is computational chemistry important?​
    6·1 answer
  • Help please 20points
    7·2 answers
  • Which is the most important factor in determining the state of a substance?
    7·2 answers
  • A chunk of a metal alloy displaces 0.58 L of water and has a mass of 2.9 kg. What is the density of the alloy in g/cm3?
    8·1 answer
  • A prairie dog eats grass. A coyote eats the prairie dog. This is an example
    11·1 answer
  • What is this equation balanced?<br> ____H2O + ____SO3 → ____H2SO4
    12·1 answer
  • Calculate the pH when 64.0 mL of 0.150 M KOH is mixed with 20.0 mL of 0.300 M HBrO (Ka = 2.5 × 10⁻⁹)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!