How many element are there on the periodic table?

Chemistry

2 answers:

Marina CMI [18]3 years ago

7 0

Answer:

118 elements

Hope that helps

givi [52]3 years ago

5 0

Answer:118

Explanation: it’s right

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Give the % composition for each element found in tin (IV) nitride.

drek231 [11]

32.3699% Tin (Sn)

15.2774% Nitrogen (N)

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3 years ago

Which statement explains how the charges on objects determine the electric force between them?(1 point)

lubasha [3.4K]

Answer:

Objects with the same charge repel each other, and objects with opposite charges attract each other.

Explanation:

The Coulomb law states that opposite charges attract each other and like charges repel each other. That means two positive charges repel each other but a positive and a negative charge attract.

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2 years ago

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The temperature is -14°C the air pressure in an automobile tire is 149K PA if the volume does not change what is the pressure af

Jet001 [13]

Answer: The pressure after the tire is heated to 17.3°C is 167 kPa

Explanation:

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

$\frac{P_1}{T_1}=\frac{P_2}{T_2}$