0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

From the symbol 42He for the element helium, write down the mass number and the atomic number of the element.

Solution
Verified by Toppr

Mass number of helium is 4 and atomic number is 2.

Was this answer helpful?
1
Similar Questions
Q1
From the symbol 42He for the element helium, write down the mass number and the atomic number of the element.
View Solution
Q2
The atomic number of an element X is 8 and that of element Y is 12. Write down the symbols of the ions you would expect to be formed from their atoms.
View Solution
Q3
Write the atomic number and the symbol of an element which has mass number 32 and the number of neutrons 16 in the nucleus.
View Solution
Q4
Write the nomenclature and symbol of an element having atomic number 119?
View Solution
Q5
An element along with its atomic number and mass number is represented as ZXA where X is the symbol of the element, Z is the atomic number and A is the mass number. Represent elements A, B, C, D and E with its atomic number and mass number from the given data.
Elements Number of protonsNumber of electronsNumber of neutrons
Axy
Bab
C
mm + 2
Dtt
Enn + 1
View Solution