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Radda [10]
3 years ago
5

Answer Fast Please!!!

Chemistry
2 answers:
den301095 [7]3 years ago
8 0

Answer:

The Periodic Table is organized in order of atomic number.

Explanation:

Plz give me brainliest I worked hard on this... thank u in advance.

Anastasy [175]3 years ago
7 0

Answer:

I believe it is A. The Periodic Table is organized in order of atomic number.

Explanation:

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A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?
andreev551 [17]

Answer: The frequency of the wave is 0.5 hertz.

Explanation:

\nu =\frac{c}{\lambda }

\nu = Frequency of the wave

c = speed of the light in m/s

\lambda = Wavelength of the wave.

Here in question we are given with speed of the infrared light. So, we will replace the value of speed of light(c) from the given value of the speed of the infrared light.

Speed of infrared light = 6 m/s

\nu =\frac{\text{speed of infrared light}}{\lambda }=\frac{6 m/s}{12 m}=0.5 hertz

The frequency of the wave is 0.5 hertz.


7 0
3 years ago
Read 2 more answers
The amount of kinetic energy an object has depends on
Alex777 [14]
How much it has to drop and how heavy it is. Hope this is what you're looking for:)
3 0
2 years ago
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A bond created from the sharing of electrons between two atoms is a(an) ______ bond.
lora16 [44]
Covalent example ch4 where carbon is covalently bonded with all 4 hydrogens
5 0
3 years ago
How many moles are in 20g of potassium (K)?
otez555 [7]

Explanation:

Hi for this one u just need to remember and use the equation.

moles =  \frac{mass}{mr}

then u find mr of potassium which is 39.1.

then u do

\frac{20}{39.1}

you get the answer as 0.5115 write ur answer to 3 significant figures which will be 0.512 moles .

hope this helps :)

7 0
3 years ago
The Bohr model of the atom suggest that the protons and neutrons are found in the nucleus and the electrons orbit the nucleus mu
kondaur [170]

Answer:

The Bohr model suggested that electrons orbited the nucleus in circular paths where as the modern model views the atom to consist of positively charged nucleus surrounded by electrons.

Explanation:

In the modern model, the nucleus contains two sub-atomic particles, the protons which are positively charged and the neutrons which are not charged.According to Bohr's model,the electron in a hydrogen atom travel around the nucleus in a circular orbit. In the modern model, electrons do not move around nucleus around circular obits.

4 0
3 years ago
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