We’re being asked to determine which of the following statements is(are) true
An element can be represented as:
You can determine the identity of the element using its atomic number:
Atomic number (Z):
The isotope of an unknown element, X, has a mass number of 79. The most stable ion of this isotope has 36 electrons and has a 2- charge. Which of the following statements is(are) true? For the false statements, correct them.
a. This ion has more electrons than protons in the nucleus.
b. The isotope of X contains 38 protons.
c. The isotope of X contains 41 neutrons.
d. The identity of X is strontium, Sr.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Ions concept. You can view video lessons to learn Ions. Or if you need more Ions practice, you can also practice Ions practice problems.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Marville's class at UIUC.
What textbook is this problem found in?
Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.