Interpretation:
The rows and the columns called in the periodic table has to be discussed.
Concept introduction:
Element that means a fundamental substance that can’t be chemically changed or broken into anything simpler is called elements.
The periodic table: Each element is identified through a one- or two-letter symbol and it is characterized by an
The two groups on the left is s-block elements.
The six on the right is known as main group’s elements.
The ten in the middle is known as
Finally the 14 elements beginning with Lanthanum
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General Chemistry: Atoms First
- Xenon An isotope of xenon has an atomic number of 54 and contains 77 neutrons. What is the xenon isotope’s mass number?arrow_forwardCarbon A carbon atom has a mass number of 12 and an atomic number of 6. How many neutrons does it have?arrow_forwardCan two different elements have the same atomic number? Explain.arrow_forward
- What defines an element? How many naturally occurring elements exist?arrow_forwardWhat is meant by stating that the charge of an electron is 1? What is the symbol of the electron?arrow_forwardComplete the following table. Atom/Ion Protons Neutrons Electrons S50120n M1225g2+ F2656e2+ S3479e C1735l C2963uarrow_forward
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