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An element has an atomic number of 16. An ion of this element has a 2-charge. How was the ion formed?

User Lukas Lechner
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Answer:

The answer to all the quiz questions are

Step-by-step explanation:

1. Which statement describes the number of protons in each atom of an element?

*The number of protons is given by the atomic number, which increases by one moving from left to right across each row of the periodic table.*

2. An element has an atomic number of 16. An ion of this element has a 2– charge. How was the ion formed?

*A neutral atom gained 2 electrons.*

3. Rubidium has an atomic number of 37 and a mass number of 85. How many protons, neutrons, and electrons does an ion of rubidium with a 1+ charge have?

*37 protons, 48 neutrons, and 36 electrons*

4. There are three stable forms of neon: neon-20, neon-21, and neon-22. Which statement is true?

*Their atomic masses differ.*

5. Beryllium has an atomic number of 4. How many neutrons does the isotope beryllium-9 have?

*5*

User Sako
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Answer: The answer is ‘a neutral atom gained 2 electrons’

Explanation: Because electrons are negatively charged and adding 2 extra would make the ion negatively charged by 2

User MHM
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