timothyedgargre967 timothyedgargre967

19-07-2022
Chemistry

contestada

mass of an atom of element x is equivalent to the total mass of 7 hydrogen atoms. what element represent x ?

Respuesta :

Medunno13 Medunno13

23-07-2022

Answer:

lithium

Explanation:

The mass of hydrogen is 1 u, so the mass of element x is 7 u, which is approximately the atomic mass of lithium.

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

f(x) = 3 x + 4 for all values of x. g(x) = 6x 2 + 3 for all values of x. Work out fg(x). Give your answer in the form ax 2 + b where a and b are integers.

Comparing is to look at the _____, and contrasting is looking at the _____. Question 8 options: differences, similarities similarities, differences opposi

which of the following is a unit of density?A. cubic metersB. square metersC. liters per cubic gramD. Kilograms per cubic centimeter

Solve and check , -0.7+2.8=-3.14x-5.2 I need to see the work because I’m super confused

Someone please help me. I will mark brainiest!!!!!!!

Which country has seven Spanish-speaking neighbors?

the quadratic equation ax^2-6x+a-2=0, a does not = 0, has one root which is double the other. a)let the roots be a and 2a. hence find the two equations involvin

When an acid and an alkali react, a salt and water are formed. Pick the correct salt produced when ammonium hydroxide reacts with nitric acid.

I need help understanding how to do the Pythagorean Therom while doing problems like this

A sample of helium occupies a volume of 3.8 L at -45°C. What volume will it occupy at 45°C? can you work it out please?! thanks