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belka [17]
3 years ago
5

How Does The Modern Periodic Table Arrange Elements? By Atomic Mass By Atomic Number

Chemistry
1 answer:
Vlada [557]3 years ago
7 0
By increasing Atomic number
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16. What is a pure substance formed when two or more different elementscombine called?A. compoundB. moleculeC. element
Lana71 [14]
<h2>Answer:</h2>

Compound. Option A is correct

<h2>Explanations:</h2>

When two or more different elements combines, a compound is formed. For instance, if carbon and oxygen combines, carbondioxide is formed according to the equation;

C+O_2\rightarrow CO_2

From the reaction, carbon and oxygen are the elements while carbondioxide is the compound. Hence we can conclude that a pure substance formed when two or more different elements combine called compound.

3 0
1 year ago
A cat travels 240 meters in 30 seconds, and a sprinter travels 100 meters in 9.5 seconds. Which is traveling faster, the cat or
joja [24]

Answer:

The cat

Explanation:

1) You need to find how many meters per second each thing is sprinting, so you can divide the meters by seconds for each.

\frac{240}{30} = 8 m/s\\\frac{100}{9.5} = around  10.5 m/s

2) Per second, the sprinter is able to achieve 8 meters, while the cat can do around 10.5 meters. 10.5 is greater than 8, making the cat faster than the sprinter.

4 0
2 years ago
How many atoms are in NH4Cl.
RSB [31]

Answer:

there are 6

Explanation:

3 0
3 years ago
1. Which of the following metals oxidized by calcium ions?
viktelen [127]

1 A

2 B

3 B

4 A

5 B

6 D

7 D

8 B

8 0
3 years ago
Look at the table shown above; what evidence supports the conclusion that pigs gain more weight from feed that has more corn tha
Sergio039 [100]

Answer: The answer is  D) The entire table of data provides evidence that as the corn percentage increases in the feed, the weight gain in pigs also increases.

Explanation:

7 0
3 years ago
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