安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- What is the most common letter in the periodic table out of . . . - Answers
The letters on the periodic table represent the chemical symbols for each element These symbols are typically derived from the elements' names in Latin, Greek, or other languages Each chemical
- How many gases in all are there in the periodic table? - Answers
The group that consists of all the gases on the periodic table is Group 18, also known as the noble gases They are chemically inert and are typically found in the gaseous state at room temperature
- Which group on the periodic table does not react with any other . . .
Group 16 on the Periodic Table, also known as the chalcogens, contains elements that react with oxygen to form compounds with the general formula X2O The elements in this group include oxygen
- What is OH in periodic table? - Answers
What is the OH in periodic table? OH is the chemical formula for the hydroxide ion, which consists of one oxygen atom and one hydrogen atom In the periodic table, oxygen is in group 16 and
- How did Henry mosely rearrange the periodic table and why?
The Periodic Table of Elements was modified by the English scientist Henry Moseley in the year 1913 Moseley assessed the atomic number of the elements individually and organized the atoms
- What elements are least reactive on the periodic table?
Noble gasses (group 8) are the least reactive elements in the periodic table because they have a full valence shell The right-most column, Group 8*, or the noble gases, is the least reactive
- What is a row of elements across the periodic table called?
The Periodic Table of the Elements, sometimes called just the Periodic Table, is the document in which elements are organized by their properties It was created in 1869
- What is the name of the rows of the periodic table? - Answers
The horizontal rows on the Periodic Table are called periods, while the vertical columns are called groups or families For instance, iodine is in the same group, but different period to fluorine
|
|
|