Anonymous asked 1/14/2018

why is botox composed of carbon,hydrogen,nitrogen, oxygen, and sulfer?

Anonymous asked 12/31/2017

Why Zn has weak metallic bond compare to Chromium although both has completely filled d orbital?

Anonymous asked 11/10/2017

why is iron not the second most abundant element in the earths crust?

Anonymous asked 11/7/2017

how many atoms are in 12.0 grams of Carbon (C)?

Anonymous asked 10/20/2017

A laser generates a pulse at 450 nm containing 2.75 × 10^15 ​ ​​ photons. What is the energy of the pulse?

Anonymous asked 8/8/2017

are metals important in society?

Anonymous asked 6/8/2017

uses of metals and nonmetals in daily life?

Anonymous asked 5/16/2017

why inorganic compounds non-combustible?

Anonymous asked 5/10/2017

Why we cannot find the radius of single atom?

Anonymous asked 1/16/2017

what is observed when dilute nitric acid reacts with zinc carbonate?

Anonymous asked 1/16/2017

What does sodium hydroxide + barium chloride make?

Anonymous asked 1/13/2017

What is the equation for Rusting of iron?

KB Baldwin asked 1/10/2017

When I pour hydrogen peroxide on a wound and it fizzes, what is actually happening?

Anonymous asked 1/9/2017

How do you find the *average* rate of a reaction if the rate is NOT constant?

Anonymous asked 12/29/2016

What is the charge of 500mg of electrons ?

Anonymous asked 12/16/2016

explain why each successive ionization of an electron requires a greater amount of energy?

Anonymous asked 12/9/2016

do different liquids evaporate at the same rate?

Anonymous asked 11/19/2016

The reaction of hydrogen with oxygen to form water requires a little ______________ to get it started?

Anonymous asked 11/16/2016

what does the atomic mass of an element represent?

Anonymous asked 11/6/2016

ammonium sulfate + calcium hydroxide yields?