Which is a component of John Dalton’s atomic theory?
The ratio of atoms in a compound is fixed.
The atoms of different elements are the same.
An atom is a small particle of matter that can be broken down.
A reaction can create or destroy atoms as well as rearrange them.

Answers

Answer 1

Answer: lol the answer is A

Explanation:

i’m just smart like that , thought i should give y’all a clue

Answer 2

Answer:

The ratio of atoms in a compound is fixed.

Explanation:

its a


Related Questions

Balance the following equation.
___ I + ___ O2 ___ I4O10

Answers

4I+5O2=I4O10? which would be a synthesis reaction

How are Earth's continents related?
Please help due at 11:45!

Answers

All the continents were once all together in a huge landmass called Pangea.

Predict the precipitate that will be formed in the following reaction:
NaF(aq) + AgNO3(aq) →

Answers

The precipitate that will be formed : AgF

Further explanation

One indication of the double displacement reaction is the precipitation reaction

Solubility Rules:  

• 1. soluble compound  

All compounds of Li +, Na +, K +, Rb +, Cs +, and NH4 +  

All compounds of NO₃⁻ and C₂H₃O₂⁻  

Compounds of Cl−, Br−, I− except Ag⁺, Hg₂²⁺, Pb²⁺  

Compounds of SO₄²⁻ except for Hg₂²⁺, Pb²⁺, Sr²⁺, Ba²⁺  

• 2. insoluble compounds  

Compounds of CO₃²⁻ and PO₄³⁻ except for Compounds of Li +, Na +, K +, Rb +, Cs +, and NH₄ +  

Compounds of OH− except Compounds of Li +, Na +, K +, Rb +, Cs +, NH₄⁺, Sr²⁺, and Ba²⁺  

Reaction

NaF(aq) + AgNO₃(aq) →NaNO₃(aq)+ AgF(s)

From the solubility rules above, it has been shown that the salts of the Ag⁺ cations are insoluble salts

Determine the number of moles in 5.25x1024 formula units if lead (IV) oxide.

Answers

Answer:

8.72 mol PbO₂

General Formulas and Concepts:

Chemistry - Atomic Structure

Using Dimensional AnalysisAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

Step 1: Define

5.25 × 10²⁴ formula units PbO₂

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

[tex]5.25 \cdot 10^{24} \ formula \ units \ PbO_2(\frac{1 \ mol \ PbO_2}{6.022 \cdot 10^{23} \ formula \ units \ PbO_2} )[/tex] = 8.71803 mol PbO₂

Step 4: Check

We are given 3 sig figs. Follow sig fig rules and round.

8.71803 mol PbO₂ ≈ 8.72 mol PbO₂

Which of the following has the larger atomic radius?
O Cs
O Ca
O Li
O Ba

Answers

Cs has the larger atomic radius

Hope it helps

Exactly how many planes contain points J, K, and N?
O 0
O 1
O 2
O 3

Answers

Answer:

0

Explanation:

Point J is on neither plane X or plane Y.  Hope this helps you.

Answer:

3

Explanation:

How much work is required to pull a sled if you use 60J of work in 5 seconds?

Answers

Answer:

DO I Look Like santa too you how am i supposed to know How about this how about you goo.gle the answer wow smart

Explanation:

What are three physical properties that could be used to identify gold?

Answers

Answer:

solid ,hard, not see through

Explanation:

Answer:

There are many properties out there, so three include bright yellow color, luster shine, and the maleability that determines the durability.

what is the density of a liquid if it's volume is 125 mL and it's mass is 50g?

Answers

Answer:

0.4g/ml

Explanation:

density= mass/volume

density=50g/125ml

density=0.4g/ml

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