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Question answer.com Q.The atomic number of three elements AB andC are 910 and 13 respectively .which of them will form a cation Answer?
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What are the is the atomic numbers of la and ac on the periodic table?
La has atomic number 57.Ac has atomic number 89.They both are first elements of lanthanoids and actinoids group respectively.
What do chemist use to stand for atoms or elements?
Atomic symbols are used to represent elements, a negative (-) and a psoitive (+) represent electrons and protons, respectively. Chemicals or other compounds are often written as a combination of atomic symbols with subscripts to indicate the presence of multiple atoms.
What is water number?
water is a compound so there is no atomic number for it. that is a trick question because only elements have an atomic number.
When the elements on the periodic table are arranged by increasung atomic number the atomic mass generally increases as the atomic number increases. for some elements however the atomic mass of the el?
It is difficult to be sure what the question is about because it has been truncated.However, it is true that the atomic mass (or standard atomic weights) increases with atomin number. There are, of course, isotopes of elements with a low atomic number which are heavier than atoms of higher atomic number. But there are some examples where the average mass is not in the expected sequence.
What is the atomic mass and number does S have?
32.06 and 16, respectively
What are the is the atomic numbers of la and ac on the periodic table?
La has atomic number 57.Ac has atomic number 89.They both are first elements of lanthanoids and actinoids group respectively.
How did subatomic particles and isotopes affect the atomic theory?
The discovery of these left his atomic theory (which states that atoms are indivisible, singular and the same respectively to elements) riddled with wholes.
Which types of elements are present in H2CO3?
Hydrogen, carbon, and oxygen, as indicated by the atomic symbols H, C, and O respectively.
What same elements have the same atomic number?
though your question is unclear, each element has its own atomic number. every sample of Sulfur (S) that exists has the atomic number of 16. No different elements share the same atomic number.
What do chemist use to stand for atoms or elements?
Atomic symbols are used to represent elements, a negative (-) and a psoitive (+) represent electrons and protons, respectively. Chemicals or other compounds are often written as a combination of atomic symbols with subscripts to indicate the presence of multiple atoms.
What is water number?
water is a compound so there is no atomic number for it. that is a trick question because only elements have an atomic number.
What element has a smaller atomic mass than element 5?
If "element 5" in this question means the element with atomic number 5, then all of the elements with atomic numbers 1 through 4 have smaller atomic masses. These elements are hydrogen, helium, lithium, and beryllium.
What is a catchy slogan for the element polonium?
Po is the symbol for polonium. It was discovered by polish Chemist and Physicist Marie Curie in 1898, and she named the element in honor of her country. It has an atomic number and atomic mass of 84 and 209 u respectively.
What are the atomic numbers from 58 to 71 called?
The elements with atomic numbers 58 to 71 are called Lanthanides or Lanthanoids. This literally means "Like Lanthanum". They are called this because they have similar characteristics to Lanthanum.
When the elements on the periodic table are arranged by increasung atomic number the atomic mass generally increases as the atomic number increases. for some elements however the atomic mass of the el?
It is difficult to be sure what the question is about because it has been truncated.However, it is true that the atomic mass (or standard atomic weights) increases with atomin number. There are, of course, isotopes of elements with a low atomic number which are heavier than atoms of higher atomic number. But there are some examples where the average mass is not in the expected sequence.
What elements have atomic number?
All chemical elements have atomic numbers.
Elements were originally placed in order of atomic now they are placed in order of atomic?
Elements were originally placed in order of atomic massnow they are placed in order of atomic number
