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dybincka [34]
2 years ago
10

When a rock falls from outer space all the way to the groung, its called a?

Chemistry
1 answer:
goblinko [34]2 years ago
6 0
It's called a meteorite.
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Explain the difference between molecule and compound
nadya68 [22]
Answer:
A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not compounds.

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8 0
2 years ago
If one pound is the same as 454 grams, then convert the mass of 78 grams to pounds.
LiRa [457]

Answer:

0.17 lb

Explanation:

78 g * (1 lb/454 g)=0.17 lb

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4 0
3 years ago
How can constraints be used to help define the problem?
vitfil [10]

Answer:

Constraints are restrictions that need to be placed upon variables 

Explanation:

Constraints are restrictions (limitations, boundaries) that need to be placed upon variables used in equations that model real-world situations. It is possible that certain solutions which make an equation true mathematically, may not make any sense in the context of a real-world word problem.

6 0
3 years ago
Which of the following atoms has the highest first
77julia77 [94]

Answer:

Helium

Explanation:

The first ionization energy varies in a predictable way across the periodic table.

5 0
3 years ago
Use the drop-down menus to order the steps for writing chemical names. Write the name of the element that is farthest to the lef
Naily [24]

Answer:

1.) 3

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4 0
2 years ago
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