3 years ago

Explain why the metals conduct electricity

1 answer:

5 0

Answer:

Metals conduct electricity because the electrons inside the metal are relatively free to move. So when electricity is pass through metals, electrons carry electricity and spread it all over the metal. The mobility of electrons is the reason why metals conduct electricity.

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3 years ago

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PLEASE HELP ME ASAP: Some students are using samples of different substances for a lab investigation. They plan to observe the p

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2 years ago

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B. a type of carbohydrate

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2 years ago

How many molecules of Ca are found in a sample with 0.2 mols?

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Answer:

$\boxed{1.2 \times 10^{23}\text{ atoms}}$

Explanation:

6.023 × 10²³ atoms of Ca are in 1 mol of Ca

$\text{No. of atoms} = \text{0.2 mol} \times \dfrac{6.023 \times 10^{23}\text{atoms }}{\text{1 mol }} = \mathbf{1.2 \times 10^{23}} \textbf{ atoms}}\\\\\text{There are }\boxed{\mathbf{1.2 \times 10^{23}} \textbf{ atoms}} \text{ atoms in 0.20 mol of Ca}$

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2 years ago

Snow forms when clouds cool to the dew point. True False

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False.

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Snow forms when tiny ice crystals in clouds stick together to make snowflakes.

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3 years ago