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Nesterboy [21]
3 years ago
9

What information does a subscript in a chemical formula provide? Choose all that apply. * The charge of that atom while in the c

ompound How many of each atom are present in the compound How many valence electrons each element has while in the compound How many valence electrons each element starts with In ionic, the simplified ratio of atoms in relation to each other
Chemistry
1 answer:
Sloan [31]3 years ago
3 0

Answer:

B. How many of each atom are present in the compound

D. the simplified ratio of atoms in relation to each other

Explanation:

In a chemical formula, chemical elements or atoms are represented by a chemical symbol for example Fe for iron and Na for sodium, and the number of each atom is represented by a subscript such as CO2, where 2 is a subscript representing 2 atoms of oxygen.

A subscript represents the number of each atom in the compound and the simplified ratio of atoms in relation to each other. The simplified ratio of atoms in relation to each other means subscript shows the contribution of both the atoms in the compound, for example: N2 + 3H2 => 2NH3, it means the subscript showing the ratio or proportionate of atoms that is 2:2 for both nitrogen and hydrogen.

The subscript is always written below and to the right of the chemical symbol.

Hence, the correct answer is "B. How many of each atom are present in the compound and D. the simplified ratio of atoms in relation to each other"

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List the methods of separation used in water purification...... ( HELP PLEASE )
lawyer [7]

Answer:

I can list four. These are the main ones.

Bolling

Filtration

Distillation.  

Chlorination

Explanation:

3 0
3 years ago
Suppose you want to create a 6 ng/μL solution in a 25 mL volumetric flask. However, this concentration cannot really be accurate
Over [174]

Answer:

Mass of chemical = 1.5 mg

Explanation:

Step 1: First calculate the concentration of the stock solution required to make the final solution.

Using C1V1 = C2V2

C1 = concentration of the stock solution; V1 = volume of stock solution; C2 = concentration of final solution; V2 = volume of final solution

C1 = C2V2/V1

C1 = (6 * 25)/ 0.1

C1 = 1500 ng/μL = 1.5 μg/μL

Step 2: Mass of chemical added:

Mass of sample = concentration * volume

Concentration of stock = 1.5 μg/μL; volume of stock = 10 mL = 10^6 μL

Mass of stock = 1.5 μg/μL * 10^6 μL = 1.5 * 10^6 μg = 1.5 mg

Therefore, mass of sample = 1.5 mg

4 0
3 years ago
Please help. I'll give brainliest :)
Goryan [66]

Answer:

b

Explanation:

3 0
2 years ago
3. In an atomic model, what particles are found inside the nucleus of an atom?
sukhopar [10]

Answer:

Neurons and Protons

Explanation:

The Electrons are outside of the nucleus, also known as the <em>Electron</em><em> </em><em>Cloud</em><em>.</em>

I hope this was what you were looking for, and as always, I am joyous to assist anyone at any time.

4 0
3 years ago
How does bohrs model agree with Thomson model
Airida [17]
Bohr's Model agree with Thompson's model because Bohr concluded that packets of energy are absorbed or emitted by the atoms when an electron changes shell. Thompson's conclusion states that atoms have small, negatively charged particles (referring to Electrons) as part of their internal structure. 
8 0
3 years ago
Read 2 more answers
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