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Scrat [10]
3 years ago
14

In the science lab, Sika combines two substances and determines that a chemical change has taken place. What

Chemistry
1 answer:
Lerok [7]3 years ago
4 0

Answer:

Evidence of chemical change is color change, smell,new matter created, gas created or heat or light being created.

Explanation:

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Noble gases
also known as Inert gases
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What happens when an ecosystem reaches the maximum number of individuals it can support
tangare [24]

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A collapse of the population is rotting, food is not enough and livelihoods have become unfeasible to decrease the number of individuals again.

Another way is to generate mutations to generate a species more vulnerable to decreasing numbers.

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In ecosystems, if an increased population breaks the balance of this and begins a new constant adaptation of the extinction of some and overpopulation of others, which may be some chains break or remain unstable.

6 0
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The number of nucleons of an isotope represents the total number of..
Elza [17]

Answer:

The mass number (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. The mass number is different for each different isotope of a chemical element.

3 0
1 year ago
A carbon molecule that has a different arrangement of atoms is known as a/an
maw [93]
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3 0
3 years ago
How many atoms are there in 4.13 moles of nickel (Ni)
Rudik [331]

Answer:

2.48626 x 10^24

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6 0
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