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
Dovator [93]
2 years ago
9

When an atom gains electrons, it is called a (an) _____ and has a ______ charge.

Chemistry
1 answer:
jolli1 [7]2 years ago
5 0

Answer:

When an atom gains/loses an electron, the atom becomes charged, and is called an ion. Gaining an electron results in a negative charge, so the atom is an anion

You might be interested in
Which phrase correctly describes the particles that make up water vapor?
Alexxx [7]

Answer:

i believe its A but im not sure

its the only one that makes any sense

plz mark  brainliest

\

Explanation:

7 0
3 years ago
The table shows the number of reactants and products present during two separate chemical reactions.
finlep [7]

Answer:

Chemical reaction B, because the product is a compound

Explanation:

A synthesis or combination reaction is that reaction that involves combination of two or more reactants to form a single product. The two or more reactants are often elements that chemically combine to form a single compound.

In this question, two chemical reactions are involved in which chemical reaction A has 1 reactants and 3 products while chemical reaction B has 2 reactants and 1 product. Based on the explanation above, the reaction B correctly identifies the synthesis reaction because the single product is a compound.

4 0
3 years ago
Why do scientists look for patterns in the world​
Margarita [4]

Answer:

to do day-to day activities easily and make surrounding comfortable for man

Explanation:

as an example , binary numbers help to work computers ,calculators.they help us lot .

scientific methods also need to write large and small numbers in short ways .so, scientists find various patterns .

6 0
3 years ago
PLZ HELP OR WILL FAIL!!
lianna [129]
Hey there!

Label A: Sublimation
Label B: Condensation
Label C: Melting

Remember sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. Condensation is the conversion of a vapor or gas to a liquid. Melting is becoming liquefied by heat.

Hope this helps!
5 0
3 years ago
A mixture of methane and air is capable of being ignited only if the mole percent of methane is between 5% and 15%. A mixture co
DaniilM [7]

Answer:

Explanation:

The air 9% mole% methane have an average molecular weight of:

9%×16,04g/mol + 91%×29g/mol = 27,8g/mol

And a flow of 700000g/h÷27,8g/mol = 25180 mol/h

In the reactor where methane solution and air are mixed:

In = Out

Air balance:

91% air×25180 mol/h + 100% air×X = 95%air×(X+25180)

Where X is the flow rate of air in mol/h = <em>20144 mol air/h</em>

<em></em>

The air in the product gas is

95%×(20144 + 25180) mol/h = 43058 mol air× 21%O₂ = 9042 mol O₂ ×32g/mol = <em>289 kg O₂</em>

43058 mol air×29g/mol <em>1249 kg air</em>

Percent of oxygen is: \frac{289kg}{1249 kg} =<em>0,231 kg O₂/ kg air</em>

<em></em>

I hope it helps!

4 0
3 years ago
Other questions:
  • Which is one way that scientist communicate the results of an experiment
    9·2 answers
  • Describe the saponification process
    7·1 answer
  • A balloon has a maximum capacity of 1700 m3. On a cool morning (temperature = 10°c, some hot-air balloonists start filling their
    5·1 answer
  • What happens to a gummy bear when soaking in water?
    8·1 answer
  • Scoring Scheme: 3-3-2-1 Part I. For each trial, enter the amount of heat gained by the cool water, qcool water. The specific hea
    14·1 answer
  • 4. Assuming the reaction below is at equilibrium, which of the following changes will drive the reaction to the left? C(s) + O2(
    6·2 answers
  • Calculate the pH of a solution with [H₃O⁺] = 1 × 10¯⁴ M to the correct number of decimal places.
    12·1 answer
  • In vacuum, the speed of light is c= 2.998 x 108m/s. However, the speed generally decreases when light travels through media othe
    10·1 answer
  • Determine the number of unpaired electrons expected for [Fe(NO2)6]3−and for [FeF6]3− in terms of crystal field theory.
    13·1 answer
  • Some states authorize a to make healthcare decisions ------- for patients who can't make them because they're incapacitated. O a
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!