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Pie
3 years ago
13

The Modern atomic model includes electrons orbiting the nucleus. WHich of the following parts of the Dalton's atomic model was d

isproved by the discovery of the electron?
A)Atoms are tiny particles
B)Atoms cannot be divided into smaller parts
C)Atoms have specific mass and size
D)Atoms have specific chemical properties
Chemistry
2 answers:
Sidana [21]3 years ago
7 0
B)Atoms cannot be divided into smaller parts
pentagon [3]3 years ago
5 0
<span>Dalton's atomic model was disproved by the discovery of</span> Modern atomic model includes electrons orbiting the nucleus. and the concept that atoms cannot divided into smaller parts become wrong.

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1.00 x 10-7 moles to grams
Papessa [141]
2537 Hope this helped
6 0
3 years ago
Based on the name, which substance is a covalent compound?
Sindrei [870]

Answer:

dinitrogen pentoxide

Explanation:

Based on the research, dinitrogen pentoxide is a chemical compound containing only nitrogen and oxygen which is both nonmetal. When two nonmetals or two negatively charged atoms try to form bonds, they always form covalent bonds. Hence, Dinitrogen Pentoxide is not ionic - it is covalent.

3 0
3 years ago
How to Convert 2.50mol of LiBr to g
julia-pushkina [17]

Answer:

240.5g

Explanation:

steps:

given/ 1  - 2.5mol LiBr / 1

Multiplication - 78g/ 1 mol       ( 78 comes from the formula weight of LiBr )

answer- 240.5g

6 0
4 years ago
2k+Cl2=2KCI how many grams of KCl is produced from 8.50 g of K and excess Cl2
ZanzabumX [31]

Answer:

Mass = 16.4 g

Explanation:

Given data:

Mass of K = 8.50 g

Mass of KCl produced = ?

Solution:

Chemical equation:

2K + Cl₂     →    2KCl

Number of moles of K:

Number of moles = mass/ molar mass

Number of moles = 8.50 g/ 39 g/mol

Number of moles = 0.22 mol

Now we will compare the moles of potassium and potassium chloride.

                  K         :        KCl

                  2         :          2

                0.22      :        0.22

Mass  of KCl:

Mass = number of moles × molar mass

Mass = 0.22 mol × 74.55 g/mol

Mass = 16.4 g

4 0
3 years ago
Which weighs more 10g of iron or 10g of water
Svet_ta [14]

Neither. They are both 10 grams so they weigh the same.

4 0
3 years ago
Read 2 more answers
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