Multiple Choice
What is the mass number of an atom that is made up of 38 protons, 52 neutrons and 38 electrons?
A) 38
B) 52
C) 90
D) 128
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q48: Based on the text periodic table and
Q49: Enter an integer number (1, 2, 3,
Q50: Enter the chemical symbol of the element
Q51: Enter the chemical symbol of the element
Q52: Enter the chemical symbol of the element
Q54: What are the elements in the "A"
Q55: Consider the atomic view of a substance
Q56: Sodium chlorate, an ingredient in many common
Q57: How many moles of oxygen would be
Q58: An isotope of gallium consisting of 31