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
Tema [17]
3 years ago
7

When the number of electrons in an atom changes, then the atom's_______ change.

Chemistry
1 answer:
AlekseyPX3 years ago
5 0

Answer:

It would change the charge of the atom.

Explanation:

Added electrons cause atoms to be negatively charged, lost electrons cause atoms to be positively charged.

You might be interested in
Question 1 (2 points)
natulia [17]

Temperature is the average kinetic energy of gas molecules.

<h3>What is absolute zero?</h3>

The term absolute zero refers to the hypothetical point where the energy of molecules is zero. It is the point where all of their motion stops completely.

In a liquid, the movement of the molecules is more significant than in a solid. If you keep increasing the temperature of a liquid, it will boil and become a gas.

Matter contains energy which depends on the temperature of matter. To remove the energy of matter, you have to lowering its temperature.

The addition of energy to matter occurs when matter is heated. Hence, you add energy to matter by heating it.

The molecules at warm temperatures differ from the molecules at cool temperatures because the molecules at warmer temperatures move around more.

The air on a hot day compares to the air on a cool day in the sense that on a hot day, air molecules have more energy.

Temperature is depends on the kinetic energy of molecules. Hence, the best description of temperature is motion of molecules.

The temperature of a body is the average kinetic energy of its molecules.  When two things that are not touching have the same temperature their molecules move at the same average speed.

Since a liquid receives energy when it is heated, when the liquid is boiled beyond its boiling point, It will become a gas.

The difference between heat and temperature is that temperature measures the motion of molecules, and heat is the energy of that motion.

Learn more about temperature: brainly.com/question/15267055

3 0
3 years ago
Read 2 more answers
When the temperature of the gas changes from cold to hot, the amount of pressure is ___________.
Klio2033 [76]
The pressure would increase. When the temperature change form cold to hot, the gas will find ways to escape from containment. Thus, if it cannot escape that pressure will keep on increasing as the temperature rises.
6 0
3 years ago
Do pressure and temputer remain consant in earth interior
hjlf

Answer:

no

Explanation:

3 0
3 years ago
What does the 4 mean in the formula4Na2SO3
Maksim231197 [3]

Answer:

it means you have 4 sodium

Explanation:

7 0
4 years ago
Calculate the mass, in grams, of Al(OH)3 required for this reaction:
AVprozaik [17]

Answer:

Mass = 28.08

Explanation:

Given data:

Mass of Al₂O₃ = 21.8 g

Mass of water = 9.7 g

Mass of Al(OH)₃ = ?

Solution:

Chemical equation:

2Al(OH)₃   →   Al₂O₃ + 3H₂O

Number of moles of water:

Number of moles = mass/molar mass

Number of moles = 9.7 g/ 18 g/mol

Number of  moles = 0.54 mol

Number of moles of Al₂O₃:

Number of moles = mass/molar mass

Number of moles = 21.8 g/ 101.96 g/mol

Number of  moles = 0.21 mol

Now we will compare the moles of Al(OH)₃ with  Al₂O₃ and H₂O.

                          Al₂O₃       :          Al(OH)₃

                             1            :              2

                         0.21          :         2×0.21 = 0.42 mol

                         H₂O          :            Al(OH)₃

                            3            ;             2

                          0.54        :        2/3×0.54 = 0.36 mol

Mass of Al(OH)₃:

Mass = number of moles × molar mass

Mass = 0.36 mol × 78 g/mol

Mass = 28.08 g

3 0
3 years ago
Other questions:
  • I NEED ANSWER PLEEEAASSEE!!!
    14·2 answers
  • What is the most likely reason that nonmetals are electrical insulators?
    9·2 answers
  • Choose the incorrect one. a. Time = Distance /Speed b. Time = Speed/Distance c. Distance = Speed x time d. Speed = Distance/time
    15·1 answer
  • Which indicator most likely suggests that a chemical change is taking place?
    7·2 answers
  • Is the following chemical equation balanced? MgI 2 + Br 2 MgBr 2 + I 2
    7·2 answers
  • Nitrogen dioxide gas is dark brown in color and remains in equilibrium with dinitrogen tetroxide gas, which is colorless.
    11·1 answer
  • What is the word equation for the reaction between lithium and water?
    13·2 answers
  • Plz help! Brainliest if correct! Lots of points!
    10·2 answers
  • Hydrogen fusion creates _____ and lots of energy.
    14·1 answer
  • The ph of a 0. 102 m solution of a weak acid (ha) is 1. 15 ka for the weak acid is?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!