kaiajah5 kaiajah5

01-12-2020
Chemistry

contestada

Why is elemental zinc considered a pure substance?
Select one:
It is a metal.
It is a mixture of different atoms.
All elements are considered pure substances.
It must be created in a lab.

Respuesta :

azewzealand azewzealand

01-12-2020

Answer: C... Because Zinc is made of only one type of atoms.

Explanation: All elements are made of one type of atom. Pure gold is made out of only gold atoms, silver out of only silver atoms, etc.

Answer Link

Otras preguntas

Which line(s) from the poem show the reader that the poet is not just making a statement about trees? O A. Now, of my threescore years and ten/ Twenty will not

Solve. 1/2(-4 — 2n) = -17 Please explain it to me if you can I dont really understand how to do these types of problems so it would be much appreciated!

I need urgent help with the question. Can someone please give full working out of the attached question

Drag the ruler over each side of the triangle to find its length. The length of AB is . The length of BC is . ASAP Drag the protractor over each angle to find i

from a group of 25 men,12 were to be given gifts.What is the probability of choosing a man who did not a gift

Please answer this question now

After reading it write about whether or not you agree with the academic economic consensus that independent officials running the Federal Reserve are able to pr

If Sammi had more time or better resources, how could she improve her model to eliminate some of the weaknesses?

Excel:In cell B13, create a formula using the VLOOKUP function that looks up the value from cell A11 in the range A5:B7, returns the value in column 2, and spec

For the partial diploid you've created, F' I+ P+ Oc Z− Y+ / I− P+ O+ Z+ Y− , you already know that the promoter sequences for copies are functional, so you can