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3 years ago

What is the chemical symbol for iron

2 answers:

8 0

The chemical symbol for iron is Fe.
Iron is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth's outer and inner core

Genrish500 [490]3 years ago

7 0

The atomic symbol for Iron is Fe, as the Latin word for Iron is ferrum.

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Classify each of the following properties by writing physical or chemical matter

Ivenika [448]

1. Physical matter
2. Chemical matter
3. Physical matter
4. Physical matter
5. Chemical matter
6. Physical matter.

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3 years ago

Fill in the blanks to complete the statements about the gases in Earth’s atmosphere. Earth’s atmosphere is mostly nitrogen, whic

vivado [14]

Answer:

1) Oxygen

2) water vapor

3) carbon dioxide

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3 years ago

Read 2 more answers

Which of the following is considered an alternative energy resource?

ELEN [110]

B. Biomass

(I guess so cause other ones are already being used)

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3 years ago

Of the colors on the visible light spectrum, which one has the longest wavelength, lowest frequency, and lowest energy?

Elenna [48]

Answer:

Red

Explanation:

Violet - shortest wavelength, around 400-420 nanometers with highest frequency. They carry the most energy.

Indigo - 420 - 440 nm

Blue - 440 - 490 nm

Green - 490 - 570 nm

Yellow - 570 - 585 nm

Orange - 585 - 620 nm

Red - longest wavelength, at around 620 - 780 nanometers with lowest frequency and least amount of energy

Therefore, red is the answer you're looking for.

I hope this helps and that you have a great day! :)

5 0

2 years ago

Bob adds heat to a substance. When enough heat is added, A. its particles move closer together and the substance becomes a gas.

Elena L [17]

Answer:

C. its particles move farther apart and the substance becomes a gas.

Explanation:

A. is wrong because moving closer together creates a solid, not a gas.

B. is wrong because moving father apart creates a gas, not solid.

C. is correct because moving farther apart creates a gas.

D. is wrong because when heat is added particles spread apart because they vibrate faster. Although, in a solid the particles are closer together.

- Just know the states of matter and how the particles move and that will help with this problem.

6 0

2 years ago