Its atomic number.
the number of electrons that fill the outer shell
Formalization
Vanadium is an element. Refer to the related link for a Wikipedia article on vanadium.
Chromium (Cr) is the chemical element with atomic number 24. It is the first element in the Chromium family and is a transition metal. It has 24 electrons in total in 4 electron shells. It is a solid at room temperature.
Its atomic number.
The atomic number
its atomic number There are there properties of an element to mass. The three properties are density, melting and electrical.
number of valence electrons
the number of electrons that fill the outer shell
copper
Selenium
2.Scientists can tell whether organisms are closely related by comparing their ____.(1 point)DNA, I had this on my test too and I answered DNA and got it right.
Scientists can tell whether organisms are closely related by comparing their DNA. This will allow then to look at various traits and features so as to compare the relationship between organisms.
Formalization
scientists can infer how closely related the organisms are in an evolutionary sense
One way scientists group species is when they check their appearance and how closely related they are to other organisms