1.how are the atomic numbers and the atomic masses of the elements related to how the elements are arranged on the periodic table?2.how does the number of electrons relate to the arrangement ?what is the different in the number of electrons in a 3rd period element and the 2nd period ...
of neutrons number of electrons(b)The Periodic Table shows the positions of five elements, J, Q, T, X and Z.The letters do not represent the symbols for the elements.Period 1 2Group3 4 5 6 7 012J Q3T4X Z56(i) How many electrons are there in the outer shell of an atom of X...
The 4d hypercube in period 2 is a natural progression from the 4d glome featured by the 4He alpha particle. A 4d hypercube has 8 cells, coinciding with the number of elements in this period. The true mathematical location (or probability) of the protons within this 4d hypercube are the ve...
Describe the general trend of the atomic radii of the elements in the second 17、period.2. Does the same trend occur in the third period?3. Explain, in terms of the modern atomic model, why the radii in the second period (atomic # 3-9) display this trend.4. Explain why there is...
When Dmitri Mendeleev drew up the periodic table, he grouped elements of similar properties. Based on the number of electrons, a scientist can determine which group to place an element into.This pattern is called a period(or row) on the periodic table. ...
This gave a different set of relative masses for the elements. The inadequacy of oxygen as an arbitary standard led to the selection of the carbon-12 isotope of carbon as the arbitary standard. The relative atomic mass of an element is defined as the weight in grams of the number of ...
1.how are the atomic numbers and the atomic masses of the elements related to how the elements are arranged on the periodic table?2.how does the number of electrons relate to the arrangement what is the different in the number of electrons in a 3rd period element and the 2nd period ...
To determine whether the statement "The element with atomic number 17 has the least size among all the elements of that period" is true or false, we can follow these steps:Step 1: Identify the Element - The element with atomic
Name five elements from the periodic table. What is an element in the third period (row) of the periodic table with four 3p electrons? Besides hydrogen, what element wants 2 valence electrons in its outer shell? How many neutrons, protons, and electrons are in carbon?
Using the periodic table, give an example (atomic symbol and name) of: a main-group (representative) element in the second period For each atomic symbol, give the name of the element: a) Be b) Ag c) Si d) C Name the period I elements in the periodic table. ...