When trying to find the number of neutrons, protons or electrons that different chemical species have, the periodic table is your best friend. Take a look at how to use the periodic table as well as nuclear notation to find the number of subatomic particles associated with any chemical species...
How do you calculate atomic mass from atomic number? How to calculate the relative atomic mass of an element? How can you calculate the number of neutrons (n) in an atom? How to find the amu of an isotope? How to find atomic weight on the periodic table ...
If the mass number of a specific isotope isn't known, use the atomic mass from the Periodic Table, rounded to the nearest whole number, minus the atomic number to find the average number of neutrons for the element.Structure of Atoms Three main particles form every atom. Protons and ...
One mole of any substance equals6.022∗1023quantities of that substance. A mole is a unit of counting similar to a dozen or stone etc. Answer and Explanation:1 Step 1: Determine the molar mass of the substance( say M). It is determined using the number of protons and neutrons in on...
<p>To find the total number of representative elements from the given list of elements, we need to identify which of these elements belong to the s-block and p-block of the periodic table, as these are classified as representative elements.</p><p>1. <str
The protons and neutrons are firmly stuck together in the atom’s nucleus, and the number of protons in the nucleus is what determines which element the atom is. If the nucleus were to get rid of some protons or receive some new ones, the atom would become a...
Electron Dot Diagram Find your element on the periodic table. Determine the number of valence electrons. This is how many electrons you will draw. C Electron Dot Diagram Write the element symbol. Carbon is in the 4th group, so it has 4 valence electrons. Starting at the right, draw 4 ele...
unit of measurement used to measure the quantities of small particles, such as atoms, molecules, electrons, protons, neutrons, etc. One mole of an element means that about 6.022×1023atoms of the element are present. The formula to find the number of moles of an element from its amount is...
Te,Po,RaFind out total number of representative elements in the given element: Cd, Nb, Ta, Te, Ra, Mo, Po, Pd, Tc
atomic mass c. atomic number d. neutronsHow do you find the number of valence electrons of an element?1. How many elements are on the periodic table? 2. Which of those are: a. metal? b. gas? c. unknown?What are the representative elements? In what region(s) of the p...