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mojhsa [17]
3 years ago
15

The ideal of stationary orbit was first given by?​

Chemistry
1 answer:
marusya05 [52]3 years ago
8 0

Answer:

Neil Bohr

Explanation:

Thank me latur✊

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Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number
uysha [10]

Answer:

Explanation:

From the periodic table, the element designated as Sn is tin. Sn is derieved from a latin name of the metal called Stanum

Selenium Se is a group 6 element. It belongs to the same group with oxygen, sulfur and tellurium. This substance has an atomic weight of 78.96g/mol

Oxygen is a group 6 element with an atomic mass of 16. The atomic mass is the number of protons in the nucleus of this atom.

5 0
3 years ago
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The temperature and number of moles of a gas are held constant. Which of the following is true for the pressure of the gas?
Taya2010 [7]

Answer:

Pressure is inversely proportional to the volume of gas.

Explanation:

According to Boyle's law,

The volume of given amount of gas is inversely proportional to the pressure applied on gas at constant volume and number of moles of gas.

Mathematical expression:

P ∝ 1/ V

P = K/V

PV = K

when volume is changed from V1 to V2 and pressure from P1 to P2 then expression will be.

P1V1 = K         P2V2 = K

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3 0
3 years ago
Which of the following is included in the measure of U.S. GDP?
finlep [7]

the value of increase in business inventories.

7 0
4 years ago
Someone please help me figure this out!!
zavuch27 [327]

Answer: from what i can tell it looks like a heterogeneous mixture

Explanation:

heterogeneous is multiple different components, homogenous includes only the same component

7 0
3 years ago
5.26 grams of Ca atoms to moles.
Evgen [1.6K]

Answer:

0.131 moles.

Explanation:

moles=mass ÷ molar mass

8 0
3 years ago
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