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Hunter-Best [27]
3 years ago
15

What is a property of all atoms

Chemistry
1 answer:
Marat540 [252]3 years ago
8 0

Answer:

idkeisjdndjdjsjsjssjsj

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Think about how particles are arranged inside atoms. Please name and describe those three particles, and describe how the partic
vekshin1
Protons : positive charge , about same mass as neutrons , in the nucleus

neutrons : no charge , about the same mass as a proton , in the nucleus

electrons : negative charge , less mass than protons and neutrons , in orbitals outside of the nucleus
8 0
3 years ago
How long would it take for a car to travel 200km if it has an aventage speed of 55 km/ hr
krek1111 [17]

Answer:

It would take 3.64 hours to travel.

Explanation:

200km with 55 per hour.

200 divided by 55 would equal 3.64.

I am dividing because to solve time would be distance/rate.

I hope this helps! :)

7 0
3 years ago
Read 2 more answers
What is the empirical formula for a compound that is 29.44\% calcium, 23.55% sulfur, and 47.01% oxygen? This compound is a commo
PSYCHO15rus [73]

Answer:

Empirical formula is CaSO₄.

Explanation:

Given data:

Percentage of calcium =29.44%

Percentage of sulfur = 23.55%

Percentage of oxygen = 47.01%

Empirical formula = ?

Solution:

Number of gram atoms of Ca = 29.44 / 40 = 0.74

Number of gram atoms of S = 23.55 / 32 = 0.74

Number of gram atoms of O = 47.01 / 16 = 3

Atomic ratio:

            Ca                      :        S                :         O

           0.74/0.74           :     0.74/0.74      :       3/0.74

               1                     :          1              :          4

Ca : S : O = 1 : 1 : 4

Empirical formula is CaSO₄.

3 0
3 years ago
How many bonding and non bonding domains are on the central atom in NH2-​
siniylev [52]

1bonding and 3non-bonding

(Refer to the attachment for structure

8 0
2 years ago
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Mendeleev created this table as he noticed that a
Nimfa-mama [501]

Answer:

Mendeleev had left the noble gases out of his periodic table.

Explanation:

Mendeleev's periodic table is pictured in the image attached to the question.

Mendeleev's table obviously lacked the noble gases. The reason for this grave omission is simple; the noble gases were not known as at the time when he formulated his periodic table. There weren't any known elements  whose properties were similar to the  properties of the noble gases. This would have lead him to suspect their existence.

4 0
2 years ago
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