Question 2 2 points)
Which of the atoms shown has an atomic number of 42
1
2
4
7

Answers

Answer 1

Answer:

4 is the answer

Explanation:

i am not sure for this question


Related Questions

5. Why is picric acid and tannic acid used in the treatment of burns?

Answers

Picric acid has antiseptic and astringent properties. For medical use it is incorporated in a surface anesthetic ointment or solution and in burn ointments. Picric acid is a much stronger acid than phenol; it decomposes carbonates and may be titrated with bases.

Rocks are classified on the basis of

Answers

Answer:

Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size. This transformation produces three general classes of rock: igneous, sedimentary and metamorphic. Those three classes are subdivided into many groups.

Explanation:

Which food dyes in the diagram on the right only contain one colour?
( Science, Chromatography )​

Answers

Colored dyes are really bad for you but I drink them anyways
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