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Korolek [52]
2 years ago
15

What would be the percent abundance of each isotope of the chlorine​

Chemistry
1 answer:
Amanda [17]2 years ago
6 0
Answer And explanation:

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What determines the order of placement of the elements on the modern Periodic Table?
Pachacha [2.7K]
The order of placement of the elemnts on the modern Periodic Table is determinated by:
1)atomic number (Z=number of protons).
3 0
3 years ago
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What element has 80 protons, 81 neutrons, 79 electrons?
Mariana [72]

Answer:

The element will be ^{161}_{80}X

Explanation:

Given that,

Number of proton = 80

Number of neutron = 81

Number of electron = 79

We know that,

The atomic number is equal to the number of proton.

So, the atomic number is 80.

According to atomic number,

The element will be mercury.

We need to calculate the atomic mass

Using formula of atomic mass

atomic\ mass=atomic\ number+number\ of\ neutron

Put the value into the formula

atomic\ mass=80+81

atomic\ mass=161

We need to find the element

Using atomic mass and atomic number

atomic\ mass\ number A=161

atomic\ number Z=80

So, the element will be

^{A}_{Z}X

Put the value of A and Z

Hence, The element will be ^{161}_{80}X

5 0
3 years ago
The heat gained by the ice melted the ice and raised the temperature of the melted ice from its initial temperature to the final
liberstina [14]

Answer:

True

Explanation:

When ice is heated, the ice gains heat.

This heat gained by the ice is both used to break the intermolecular forces in ice to form water, as well as to raise the temperature of the water to it's final temperature.

4 0
2 years ago
A mixture is made by combining 1.49 lb of salt and 3.82 lb of water.
Pavel [41]

Answer:

28%

Explanation:

concentration=(solute mass/solution mass)*100

C=concentration

md-solute mass

ms-solution mass

the solution mass is equal to the sum of the solute and solvent mass

ms=3.82+1.49=5.31lb

c=1.49/5.31 * 100=0.28*100=28%

7 0
3 years ago
Geology belongs to which main category of science?
e-lub [12.9K]
Geology belongs to the Earth Science category I believe. 
5 0
3 years ago
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