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If an element has an atomic number of 45 and an atomic mass of 92 the number of protons it has is?
The atomic number always gives the number of protons or electrons. The neutrons are obtained by subtracting the number of protons from the atomic mass. In this example, since 45 is the atomic number, this element has 45 protons. since the mass is 92, the number of neutrons is 92-45= 47. However, this is not really true because the element with 45 as atomic number is rhodium and it has a mass of 103 u and hence a total of 58 neutrons.
How many neutrons are in 80Br?
80Br is a bromine isotope with an atomic number of 35. To find the number of neutrons, subtract the atomic number from the mass number: 80 - 35 = 45 neutrons in 80Br.
How do you know the number of protons electrons and neutrons in the 1st 20 elements?
Look at the periodic table.The bottom number on an element is the number of protons. The number of electrons will be the same. Subtract the bottom number from the top number to get the number of neutrons. e.g: 103 Rh 45 Protons= 45 Electrons= 45 Neutrons= 58 (103-45)
What is the atomic number of rhodium?
The atomic number of rhodium (Rh) is 45.The atomic weight of Rh is 102.91 grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!
What is the atomic mass when there are 45 neutrons and 35 electrons?
The atomic mass of an element is determined by the sum of its protons and neutrons. If an atom has 45 neutrons, the atomic mass would be the sum of the number of protons and neutrons, assuming neutral charge. Since the number of protons is not provided, the atomic mass cannot be determined with the information given.
What are facts on the number 45?
it's odd 9*5= 45 15*3= 45 its one less than 46
Is 45 5 equal to a whole number or a mixed number?
45/5 is equivalent to a whole number.45/5 is equivalent to a whole number.45/5 is equivalent to a whole number.45/5 is equivalent to a whole number.
What number make up a square number of 45?
45*45 = 2025
Facts about the 1970 Peru earthquake?
45 secs
What multiplication facts equal 45?
Product of its prime factors are: 3*3*5 = 45
How do you find 45 percent of a number?
Multiply the number by .45.
Is 45 a rational or a irrational number?
45 is a rational number
What is the prime number after 45?
The prime number after 45 is 47.
What two numbers equal 45?
There is only one number that equals 45.That number is: 45
How many odd numbers does 45 have?
45 has only one number and that is 45. It is odd so 45 has one odd number.
Which number is a composite number 5 23 45 2?
45
What is the first prime number after 45?
the prime number after 45 is 47
