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Blizzard [7]
3 years ago
14

The solution of this problem with explaining the solution?

Chemistry
1 answer:
maw [93]3 years ago
5 0
I need a closer pic
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Activity 7: Crossword Puzzle
Ivenika [448]

Answer:

Across

2. Conduction.

3. Plates

4. Convection

5. Subduction

7. Earthquake

Down

1. Radioactive

6. Radiation

8. Sink

9. Slabpull

The clues are;

Across:

2. air molecules come in contact with warmer molecules

3. crust are made up of puzzle - like landmass called_____

4. rising and falling movement of material in the mantle

5. when tectonic plates push with each other

7. it is the result of movement of earth's plate

Down:

1. elements that play a vital role in Earth's internal heat

6. least important mode of heat transport

8. warm material rise; cool material______

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4 0
3 years ago
How many protons and electrons are there in a neutral atom of each of the following elements?a. carbonb. fluorinec. tind. nickel
Zolol [24]

Answer:

a.Carbon :proton number =6

             electron number =6

b. Fluorine: proton number=9

                  electron number =9

c. tin:  proton number=50

           electron number =50

d. nickel:proton number=28

           electron number =28

Explanation:

In the neutral state of an atom the number of protons is always equal to the number of electrons and that whats makes it electrically neutral as the positive charges of protons balances the negative charges of electrons.

7 0
3 years ago
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