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Umnica [9.8K]
3 years ago
9

PLSSSS HELP this is science

Chemistry
2 answers:
jenyasd209 [6]3 years ago
4 0

Answer:

<h2>The answer is C </h2>

Explanation:

when a car begins to slow down the speed that it was going will decrease. Which means that it is an example of deceleration.

djyliett [7]3 years ago
4 0

Answer:

The answers would be : ( a car approaching a red light )

15 N .

F= m.a ----> 15 = 5.3

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represent rutheniums first 36 electrons using the chemical symbol for krypton written inside the brackets
kirza4 [7]

Answer:

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3 years ago
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6.0 g of copper was heated from 20 degree c to 90 degree c . How much energy was used to heat cu?
Darina [25.2K]
Copper heat capacity would be <span>0.385J/C*gram which means it needs 0.385 Joule of energy to increase 1 gram of copper temperature by 1 Celcius. The calculation would be:
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3 years ago
What is the most important use of an elements atomic number
Setler [38]

Answer:

Atoms of each element contain a characteristic number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another.

8 0
3 years ago
The___ of an element is the number of
castortr0y [4]

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8 0
2 years ago
Hurry!!
pishuonlain [190]

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condensation is the answer

6 0
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