Consider this ionic isotope. The identity of the element is missing. 39 ? 2+ 20 Which three statements are true? It's yttrium The nuclear charge is 39 It has gained two electrons It's a cation O It's an anion It has more than 17 neutrons It's calcium The mass number is 20

Consider this ionic isotope. The identity of the element is missing. 39 ? 2+ 20 Which three statements are true? It's yttrium The nuclear charge is 39 It has gained two electrons It's a cation O It's an anion It has more than 17 neutrons It's calcium The mass number is 20

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

Question

Consider this ionic isotope. The identity of the element is missing.
39 ? 2+
20
Which three statements are true?
It's yttrium
The nuclear charge is 39
It has gained two electrons
O It's a cation
O It's an anion
It has more than 17 neutrons
O It's calcium
The mass number is 20

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