Why do you think Earth's plates move on the surface?

Chemistry

2 answers:

Fiesta28 [93]3 years ago

5 0

Explanation:

heat in the Earth's core

fgiga [73]3 years ago

4 0

Plates at our planet's surface move because of the intense heat in the Earth's core that causes molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sink down.

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In what orbital would to valence electrons of strontium be found? a.) 5s b.) 4s c.) none d.) 5p

KonstantinChe [14]

Answer:

The correct answer is 5s

Explanation:

Strontium atomic number = 38

Electronic configuration is $$1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 3d^{10} 4s^{2} 4p^{6} 5s^{2}$

As $5s$ orbital is valence orbital in strontium, the outer electrons exists in that orbital only.

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3 years ago

Cobalt III hydroxide and nitric acid react according to the following balanced equation:

kati45 [8]

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m = 5.2 L (0.42 mol/L) ( 93 g/mol)
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6 0

3 years ago

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tia_tia [17]

Human bone does not contain oxygen

4 0

3 years ago

The thin outer layer of Earth, called the crust, contains only 0.50 percent of Earth's total mass and yet is the source of almos

Rzqust [24]

Answer:

The mass of silicon in kilograms in Earth's crust is $7.2729\times 10^{21} kg$ .