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skelet666 [1.2K]
3 years ago
7

1. What number on the periodic table determines the number of electrons lost or gained?

Chemistry
1 answer:
vekshin13 years ago
8 0

Answer:

1. atomic #

2.The sugar-water is a homogeneous mixture

Explanation:

1.  However, if it has positive ion, then this electron number will go down (ie +2 charge means two electrons have been lost, so the electron/atomic number will go down by two) and vice versa.

2.Sugar dissolves and is spread throughout the glass of water. The sand sinks to the bottom. The sugar-water is a homogenous mixture while the sand-water is a heterogeneous mixture. Both are mixtures, but only the sugar-water can also be called a solution.

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I need help please and thank you
Alenkasestr [34]

Answer:

ooooooooooooooooooh i dont know this one

Explanation:

im not good a math at all

4 0
3 years ago
Pls help!!! ILL GIVE BRAINLIEST, 70 points + 10 more if not plagiarized ty ty (also for those who scam and do it for the points
sukhopar [10]

Answer:

What procedure did you use to complete the lab?

→Procedures that needs to be considered to complete the lab are- a thorough knowledge of lab assignments, knowledge about safety equipment, reviewing the MSDS of chemicals for lab experiment etc.

<h3>Explanation:</h3>

To be lab prepared one must follow these procedures-

1. One should have the knowledge of lab assignments to make the lab experiment easier.

2. To be aware about safety equipment and their uses in lab, like- the location of fire extinguisher in lab.

3. To know the steps of experiments to be performed

4. To fill notebook of lab with information regarding the experiment

5. One should review the data sheets of chemicals material safety.

6. To put on all the necessary dressings to perform experiment.

7. To have complete understanding about the experiment disposals.

7 0
2 years ago
Read 2 more answers
You have 40 g of a radioisotope. If the half-life of this radioisotope is 4 days, how many grams will remain after 12 days?
anygoal [31]
With reference to radioactive material, half-life is the time required to 50% depletion of initial amount of material. 

Given: Initial amount of radioactive material = 40 g
Half life = 4 days.

Therefore, After 4 days, amount of compound left = 40/2 = 20 g
After 8 days, i.e 2 half-life, amount of compound left = 20/2 = 10 g
Finally after 12 days, i.e. 3 half-life, amount of compound left = 10/2 = 5 g

Thus, 5 <span>grams will remain after 12 days</span>
5 0
3 years ago
What is the process that moves sediments called?
Mars2501 [29]
Sediments move one place to another in the process called “ erosion”
6 0
3 years ago
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What is Temperature<br> Choose 1
vazorg [7]

Answer:

B. A measure of the average kinetic energy of a substance.

Explanation:

Temperature is a measure of the average kinetic energy of the particles in an object.

Brainlist pls!

5 0
2 years ago
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