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shusha [124]
4 years ago
15

How does the modern periodic table arrange elements?

Chemistry
2 answers:
katrin2010 [14]4 years ago
6 0
By increasing atomic number
sergiy2304 [10]4 years ago
4 0

Answer:

B. By atomic number.

Explanation:

The atom is the most basic unit of matter with properties of a chemical element. The atom is the fundamental component of all matter. All atoms are made up of a central nucleus in which there are positively charged particles, the protons, around which other negatively charged particles, the electrons, move. The nucleus of the atom also has neutrons, which have a neutral charge.

The atomic number, which is represented by the letter Z, indicates the number of protons that are present in the nucleus of an atom. Determine the identity of an atom and its properties.

The atomic number is used to classify the elements within the periodic table of the elements.

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What is the molarity of a solution if you take 12.0 grams of ca(no3)2 and mix it with 0.105 l of water?
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The  molarity  of  a solution  if it tale 12.0   grams  of  Ca(No3)2  is  calculated as below

molarity =  moles/volume in liters
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Varvara68 [4.7K]

Answer:

c

Explanation:

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4 years ago
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3 years ago
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3. Which part of Thomson's plum pudding model was different from Rutherford's model?
horsena [70]

Answer:

The difference between the Thompson's plum pudding model and the Rutherford atom model is the location of the electrons (option a).

Explanation:

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