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
DochEvi [55]
3 years ago
8

According to Dalton's atomic theory, which statement is true about atoms of the same element? They can be destroyed. They have i

dentical mass. They have different properties. They can be divided into elements.
Chemistry
2 answers:
Natali5045456 [20]3 years ago
8 0

Answer:

The correct statement is :They have identical mass.

Explanation:

  • Matter is composed of smallest indivisible particle named atom.
  • Atoms of same element have similar size , mass and chemical proprieties where as different atoms of different element differ in all those properties.
  • An atom cannot be created or destroyed or further sub divided.
  • Atoms of different elements combines together in a fixed ratio to from compounds.
  • During a chemical reaction atoms are rearranged to form a new compounds.
natulia [17]3 years ago
3 0
They have identical mass!
You might be interested in
How did Ernest Rutherford’s experiment relate to J.J. Thomson’s work?
horsena [70]
Thomson realized that the accepted model of an atom did not account for negatively or positively charged particles. Therefore, he proposed a model of the atom which he likened to plum pudding. ... Rutherford with the assistance of Ernest Marsden and Hans Geiger performed a series of experiments using alpha particles.
8 0
3 years ago
Calculate the weight of 5 atoms of Mg.​
kumpel [21]

Answer:

2.0179701e-22

Explanation:

8 0
3 years ago
Which term best describes the role of hydrogen gas in the formation of water molecules?
kobusy [5.1K]
The answer is D, reactant.
6 0
4 years ago
1 Calcium carbonate breaks down on heating to produce calcium oxide and carbon dioxide gas.
Alborosie

Answer:  See below

Explanation:

1.  a)  0.15 moles calcium carbonate  (15g/100g/mole)

   b)  0.15 moles CaO  (molar ratio of CaO to CaCO3 is 1:1)

   c)   8.4 grams CaO  (0.15 moles)*(56 grams/mole)

2. a)  0.274 moles Na2O  (17g/62 grams/mole)

   b)  46.6 grams NaNO3  (2 moles NaNO3/1 mole Na2O)*(0.274 moles Na2O)*(85 g/mole NaNO3)

7 0
3 years ago
How do the atomic number and the mass number of an element
Doss [256]

Answer:

A.

Explanation:

3 0
3 years ago
Other questions:
  • Question 1 the heat of vaporization δhv of dichloromethane ch2cl2 is 28.0 /kjmol . calculate the change in entropy δs when 210.g
    8·1 answer
  • Which equation represents a conservation of atoms? Group of answer choices LaTeX: 4Fe\:+3O_2\:\longrightarrow\:2Fe_2O_3 4 F e +
    12·1 answer
  • Smallest to largest: biome,population,organism,ecosystem,community
    15·1 answer
  • In which solution might a cell maintain homeostasis through diffusion?. . A isotonic. B hypertonic. C hypotonic. D concentrated
    13·1 answer
  • What is the percent composition by mass of sulfur in the compound MgSO4 (gram-formula mass =120. grams per mole)?(1) 20.% (2) 27
    12·1 answer
  • I NEED HELP IT GIVES UOU 15 POINTS
    12·1 answer
  • Do you think climate change is a hoax or is it a scientifically valid disrupter of<br> ecosystems?
    6·2 answers
  • Please help me with this question. What are two elements that will react similarly to beryllium ?
    7·2 answers
  • Need these solved ASAP please​
    8·1 answer
  • How can the actions of people affect runoff and absorption in a positive way? How do they affect them in a negative way?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!