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What metalliod has an atomic number which is the product of two prime numbers 17 and 13?
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∙ 8y ago
Francium 221
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∙ 8y ago
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How many protons are in the metalliod boron?
An atom's atomic number tells us the number of protons it has. Boron's atomic number is 5. Thus, boron has 5 protons.
What metalloid atomic number is the product of two prime numbers 17 and 3?
lithium
Is helium considered as a metalliod?
Helium (He) and hydrogen (H) are NOT considered as isotopes as they have different atomic numbers (two and one respectively). The identity of an element is determine by the atomic number, which is the number of protons in the nucleus. Isotopes are atoms of the same element (and so the same number of protons) that have a different number of neutrons.See the Related Questions links for more information.
What element has the atomic number for 3.14?
No element has this atomic number. All atomic numbers are whole numbers.
What is an example of atomic numbers?
Atomic number= number of protons. Hydrogen atomic number=1
What is a non example of a atomic number?
Only the counting numbers can exist as atomic numbers. Fractions and decimals cannot be an atomic number.
What is the atomic number for CO2?
CO2 does not have an atomic number as it is a compound. Only elements have atomic numbers.
Who made atomic numbers?
M.GMosly found the atomic number. Atomic number is equals to protons.
Why does proton and electron are equal atomic number?
They have not atomic numbers. Atomic number is made by number of protons an atom has.
What is atomic numbers?
Atomic numbers are the number of protons and electrons in a atom.
What are the atomic numbers of curium and einsteinium?
The atomic number of curium is 96. The atomic number of einsteinium is 99.
What is Relation between atomic and mass numbers?
mass number=atomic number+no. of neutrons
