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
dezoksy [38]
2 years ago
13

An atom of a mystery element contains 7 protons, 7 neutrons, and 7 electrons.

Chemistry
1 answer:
posledela2 years ago
3 0

A-14

Explanation:

Mass number (MN) = Proton number + Neutron number

MN=7+7

MN=14

You might be interested in
If an atom contains 1 electron and 1 proton will it carry any charge or not?
Ipatiy [6.2K]

Answer:

It is a neutral atom and does not carry a charge

7 0
3 years ago
In a solution of a carbonated beverage the water is what? Solute, saturated, solvent or precipitate
Scilla [17]
Https://us-static.z-dn.net/files/d49/33d4ec86853ef95e6f6c14242c663be4.png
5 0
3 years ago
According to the reaction below, what mass of oxygen gas is required to produce 22 g of carbon dioxide?
alisha [4.7K]
The answer is B)4.0g
6 0
3 years ago
A flask contains a mixture of hydrogen gas and water vapor at STP. If the pressure of the water vapor is 19.5 mmHg, then what is
horrorfan [7]

Answer:

I would say A but not sure

Explanation:

7 0
2 years ago
Which of the following is the primary use of land in the United States?
Blizzard [7]

Answer:

pasture/range

Explanation:

this is because more than 1/3 of the country's land is being used for this mean alone.

5 0
2 years ago
Other questions:
  • Which best describes the process of igneous rock formation?
    13·1 answer
  • What does the zeroth law of thermodynamics allow us to define?
    7·2 answers
  • What pressure will be exerted by 26g if CO2 at a temperature of 35C and a volume of 550ml?
    8·1 answer
  • What is the formula for calcium chloride?<br><br><br> Ca2Cl<br><br> CaCl<br><br> CaCl2<br><br> CaCl3
    14·2 answers
  • How does distillation separate a solvent from a solute?
    12·1 answer
  • 56. What would be the valence electrons of 14Si, 16S, 32Ge respectively?
    10·1 answer
  • When is Ksp determined for a system?
    13·2 answers
  • . Describe the movement of the Earth, The moon and the sun?
    5·2 answers
  • Anyone who knows the account antonio716 add me bc this is my new account
    13·1 answer
  • Is exposure to oxygen a type of mechanical weathering
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!