A substance made of two or more atoms bonded together

Chemistry

2 answers:

ss7ja [257]2 years ago

7 0

It’s compound
Good luck

Elanso [62]2 years ago

3 0

Answer:

A substance made of two or more atoms bonded together is a compound.

I think...

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calculate the atomic mass of element X, if it has 2 naturally occurring isotopes with the following masses and natural abundance

jeka57 [31]

Hey there!

To find this, you should:

1) multiply the percentage (but in a decimal form) of each isotope by the mass.
2) add all your masses together
3) make sure to check for significant figures and you’re done!

Hope this helps :)

4 0

3 years ago

Arrange these molecules in order of decreasing mass: C6H14 , NO2 , Fe2O3 , and CaCO

babunello [35]

The following is the arrangement of the given molecules in decreasing order of mass: $\text{ Fe2O3} > \text{C6H14} > \text{CaCO} > \text{NO2}$

Solution:

First inorder to arrange the elements in descending order of their mass we have to calculate the molecular mass of each element. The calculation is as follows:

Mass of C6H14:

$C\rightarrow6\times12.01 = 72.06$