Boron obtained from borax deposits in Death Valley consists of two isotopes. They are boron-10, with atomic mass of 10.013 amu and 19.9 % abundance, and boron-11 with atomic mass 11.009 amu, and 80.1 % abundance, respectively. The atomic mass of boron is:
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The formula for calcium phosphite is
The formula for calcium phosphite is
Which of the following pairs of elements would be most likel…
Which of the following pairs of elements would be most likely to form an ionic compound?
The correct name for NH4NO2 is
The correct name for NH4NO2 is
How many neutrons are there in an atom of uranium whose mass…
How many neutrons are there in an atom of uranium whose mass number is 239?
Nickel has five isotopes as given in the table. Using the da…
Nickel has five isotopes as given in the table. Using the data in the table, the average atomic mass for nickel is: isotope mass (amu) abundance 58Ni 57.9354 67.76% 60Ni 59.9308 26.16% 61Ni 60.9311 1.25% 62Ni 61.9283 3.66% 64Ni 63.9280 1.16%
Consistent with vanadium being a transition metal, the name…
Consistent with vanadium being a transition metal, the name for VSO4 should be
What is the correct formula for iodine monochloride?
What is the correct formula for iodine monochloride?
Jessica has had her eye on a dress she found online but has…
Jessica has had her eye on a dress she found online but has been reluctant to order it. One day, she notices the website says, “Only 10 left in stock!†Jessica immediately orders the dress. Jessica was more willing to buy the dress now because of the principle of ________.
Traditionally, women have been guided by _____ of forming af…
Traditionally, women have been guided by _____ of forming affiliations and fostering harmonious relations with others.