Question

Students are given data from an investigation that identified some of the chemical elements present in four different samples
Elements Present in Samples
Sample
Elements
1
2
Hydrogen, phosphorus, and nitrogen
Aluminum, silicon, and copper
Calcium, potassium, and nitrogen
Iron, oxygen, and magnesium
3
4
Which sample was most likely DNA?
Sample 1
Sample 2
Sample 3
Sample 4

Answer 1

Answer:

sample 1

Explanation:

has phosphorus, main chemical compund

Answer 2

Students are given data from an investigation that identified some of the chemical elements present in four different sample correct sample is sample 1.

What defines a chemical element?

Chemical element, also called Part, any substance that cannot be decay into simpler subsnces by normal chemical processes.

Thus, sample 1 is correct.

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