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
bearhunter [10]
2 years ago
15

What is wrong with this model of the atom.

Chemistry
1 answer:
sp2606 [1]2 years ago
8 0

Answer:

A. The neutrons and electrons are in the wrong place.

Explanation:

The atom's nucleus contains both protons and neutrons, whilst the electrons are arranged in shells around the nucleus.

You might be interested in
The model represents how electromagnetic radiation transmits energy.
KiRa [710]

Answer: d

Explanation: just did this

5 0
2 years ago
Read 2 more answers
Iron (Fe) has three isotopes. Calculate the average atomic mass of the element Fe using the following data: Isotope atomic mass
Maksim231197 [3]

Answer:

Average atomic mass = 55.83 amu

Explanation:

The formula for the calculation of the average atomic mass is:

Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})+(\frac {\%\ of\ the\ third\ isotope}{100}\times {Mass\ of\ the\ third\ isotope})

Given that:

For first isotope, Fe-54:

% = 6 %

Mass = 53.94 amu

For second isotope, Fe-56:

% = 92 %

Mass = 55.93 amu

For third isotope, Fe-57:

% = 2 %

Mass = 56.94 amu

Thus,  

Average\ atomic\ mass=\frac{6}{100}\times {53.94}+\frac{92}{100}\times {55.93}+\frac{2}{100}\times {56.94}

<u>Average atomic mass = 55.83 amu</u>

5 0
2 years ago
A 10kg bowling ball would require what force to accelerate down an alleyway at a rate of 3m/s2?
mixas84 [53]
Ok so this all boils down to Newton's second law

Force = mass X acceleration 

 so the force = 10 X 3 = 30N 
8 0
3 years ago
Classify the following changes as physical or chemical changes. a. Water boils. b. Salt dissolves in water c. Milk turns sour d.
geniusboy [140]

Answer:

Water boils - physical change

Salt dissolves in water- chemical change

Milk turns sour- chemical change

metal rusts - chemical change

Explanation:

A chemical change refers to changes that are irreversible and the process involves the evolution of heat along with the formation of a new substance, examples include;Salt dissolves in water, Milk turns sour, metal rusts etc

The boiling of water is a physical change. The water can be cooled and the vapour condensed,hence, the boiling of water is a physical change.

Physical changes are easily reversible and no new substance is formed.

6 0
2 years ago
The half-life of a certain element is 100 days. How many half-lives will it be before only one-eighth of this element remains?
docker41 [41]

Answer:

8

Explanation:

8 0
3 years ago
Other questions:
  • A student dissolved 3.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution
    5·1 answer
  • In bohr's atomic theory when electron moves from one energy level to another energy level closer to the nucleus:
    13·1 answer
  • Please help How many moles of Pb(NO3)2 are required if 12 moles of Al(NO3)3 are produced
    8·1 answer
  • A gay cylinder what are the variables in gay-lussacs law
    11·2 answers
  • When a compound is oxidized it ______ one or more electrons; whereas when a compound is reduced it _____ one or more electrons?
    15·2 answers
  • Can be generally defined as a change in position OA. Mass OB. Force OC. Volume OD. Motion Reset​
    9·2 answers
  • Can someone help in all 3 question ABC<br>​
    14·1 answer
  • 6. A 3 liter solution contains 140 g of Sodium Bromide (NaBr). What is the molarity of the solution?
    11·1 answer
  • ______ is the movement of sediment from one place to another
    7·1 answer
  • Magnesium hydroxide is 54.87% oxygen by mass.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!