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LiRa [457]
2 years ago
12

Meaning of Periodic table

Chemistry
1 answer:
mel-nik [20]2 years ago
8 0

Answer:

a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

hope this helps

have a good day :)

Explanation:

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As salinity increases:
Mashcka [7]

Answer: Option (d) is the correct answer.

Explanation:

The amount of salt present or dissolved in water or water body is known as salinity.

When salinity increases then number of particles increases, therefore, density will increase. Also, number of ions will decrease thus, electrical conductivity will decrease.

On the other hand, increase in salinity will increase the amount of salt (NaCl) is the water.

Thus, we can conclude that out of the given options, the option all of the above is true.

8 0
3 years ago
What is more difficult to melt a polar covalent molecule are non-polar molecule?
Fynjy0 [20]

Answer:

by having positive and negative ends and stronger intermolecular forces of attraction.

Explanation:

hope this helps

plz mark brainiest

and im sorry if the answer is wrong

8 0
2 years ago
Which of the following is an example of a chemical change? *
Norma-Jean [14]

Answer:

hydrogen and oxygen to form water

3 0
3 years ago
Two substances, A and Z, are to be identified. Substance A can not be broken down by a chemical change. Substance Z can be broke
Kisachek [45]

Answer;

(3) Substance A is an element and substance Z is a compound.

Explanation;

-A compound is a substance formed when two or more chemical elements are chemically bonded together, such as water, carbon dioxide, methane, etc while an element is a pure chemical substance made of same type of atoms, such includes, oxygen, potassium, hydrogen, carbon, etc.

- Compounds can be broken down or decomposed into simpler substances: elements cannot be broken down chemically into simpler substances .

5 0
3 years ago
Read 2 more answers
Which of the following temperature scales contains an absolute zero? Fahrenheit (°F) Celsius (°C) Kelvin (K)
melamori03 [73]
Kelvin (K) is the only scale that has a numeral value assigned to absolute zero. 
8 0
2 years ago
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