1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Chemistry
Introduction
is mass numbe...
Question
is mass number of potassium 39 or 40?
Open in App
Solution
Mass number or atomic mass of potassium is 39.098 u.
Suggest Corrections
0
Similar questions
Q.
Potassium crystallizes in a body centred cubic lattice. What is the approximate number of unit cells in 4.0 g of potassium? Atomic mass of potassium = 39
Q.
The number of unit cells present in
39
g
r
a
m
s
of Potassium if it crystallizes as body centred cube is:
(
N
=
Avogadro number, At. wt. of
P
o
t
a
s
s
i
u
m
=
39
)
Q.
What is the ratio of the number of neutrons present in potassium and magnesium atoms with mass number
39
and
24
respectively?
Q.
State whether the following expression is true or false.
40
−
(
−
39
)
+
(
−
5
)
>
40
+
(
−
39
)
−
(
−
5
)
Q.
The number of potassium atoms present in
117
g of potassium sample (Molecular Weight
=
39
g/mole) is:
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Introduction
CHEMISTRY
Watch in App
Explore more
Introduction
Standard IX Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app