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son4ous [18]
2 years ago
14

Mendeleev arranged the elements by what physical property? atomic number atomic mass boiling point density

Chemistry
2 answers:
____ [38]2 years ago
5 0

Answer : The correct option is, Atomic mass.

Explanation :

According to Mendeleev, the elements and their compounds having same chemical properties showed a periodic trend. He arranged the elements having similar properties below each other into groups.

He arranged the elements in order of their increasing relative atomic masses.

Hence, the correct answer is, Atomic mass.

m_a_m_a [10]2 years ago
3 0
Mendeleev arranged the elements according to their atomic masses
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What is the relationship between the electronic configuration, group and period numbers?
Margaret [11]

Answer: the number of circles in the electronic configuration of an element is represented in the periodic table as the period number that element is situated in. the number of electrons in the outermost shell of an element is represented in the periodic table as the group number that element is situated in.

Explanation: hope it helps :)

6 0
3 years ago
What is Proportional to the energy of electromagnetic wave
padilas [110]

Answer:

The frequency  

Step-by-step explanation:

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7 0
3 years ago
Can oxygen ever have more then 8 protons? why or why not
EastWind [94]
No because it changes its composition to ozone 
3 0
2 years ago
How would you prepare 175 mL of a 0.350kmol/m^3 calcium nitrate solution
SVEN [57.7K]
0,35 kmol/m³ = 0,35 mol/dm³ = 0,35 mol/L
175 mL = 0,175 L
*-*-*-*-*-*-*-*-*-*-*-*
C = n/V
n = 0,35×0,175
n = 0,06125 mol

mCa(NO₃)₂: 40+(14×2)+(16×6) = 164 g/mol

1 mol --------- 164g
0,06125 ---- X
X = 10,045g

To prepare 175 mL of 0,35M solution, add 10,045g of calcium nitrate and add water to a volume of 175ml.
3 0
3 years ago
plssss help me !! Liquid water can be separated into hydrogen gas and oxygen gas through electrolysis. 1 mole of hydrogen gas an
Fantom [35]

Answer:

I'm not sure but all I can find is this for you :)

The temperature of the oxygen gas is  243.75 K.

Using ideal gas law to explain the answer, the absolute temperature of the gas will decrease if the number of moles of the gas increases and it will increase if the volume and/or pressure of the gas increases.

4 0
2 years ago
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