# Hint 2 determine the ion charge for an example ion

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Hint 2. Determine the ion charge for an example ion What is the charge of an ion that has 16 protons and 18 electrons? Express the charge numerically (e.g., +1 ). Hint 1. How to determine the ion charge The charge of an ion can be determined using the equation given here: ANSWER: Hint 3. Determine the number of electrons for an example ion If an ion has 11 protons and a charge of +1, how many electrons does the ion contain? Express your answer numerically as an integer. Hint 1. How to determine the number of electrons You can use the relationship given here to determine the number of electrons the ion contains. ANSWER: Hint 4. Determine the number of protons for an example ion -2 10 Typesetting math: 100%
How many protons does a ion contain? Express your answer numerically as an integer. Hint 1. How to determine the number of protons Each element has a unique atomic number, which is equal to the number of protons in the nucleus of an atom. The periodic table of elements is arranged by the atomic number of the elements. For a given element, look above the symbol in the periodic table to find the atomic number. For example, carbon has an atomic number of 6. ANSWER: ANSWER: Correct Part B What is the charge of the common ion formed by each of these atoms? Drag each item to the appropriate bin. Hint 1. How to approach the problem You can predict the common ion formed by some atoms based on their location in the periodic table . Group 1A atoms tend to form +1 ions, while group 2A atoms tend to form +2 ions. Group 6A atoms tend to form 2 ions, while group 7A atoms tend to form 1 ions. Hint 2. Classify elements by their location in the periodic table Classify the elements as group 1A, group 2A, group 6A, or group 7A elements. Drag each item to the appropriate bin. 9 Help Reset 35 +2 27 -1 Sr 36 Se Rb Ni +1 -2 28 29 30 Co 38 +2 -1 Rb Se 35 36 29 28 30 -2 Typesetting math: 100%
ANSWER: ANSWER: Correct Some transition metals, such as copper and iron, can form more than one cation. Exercise 4.54 with eText link Part A Which of the following elements would you expect to gain electrons in chemical changes? Help Reset Help Reset K Na Li Ca Ba Mg O S Cl I F O S Cl I F Na K Li Ca Ba Mg Group 1A Group 2A Group 6A Group 7A -2 -1 +1 +2 Typesetting math: 100%
Sort these items into the proper categories. ANSWER: Correct Exercise 4.74 Complete each ionization equation. Part A Express your answer as a particle or a chemical formula ANSWER: Correct Part B Express your answer as a particle or a chemical formula Help Reset nitrogen iodine tungsten strontium gold Would expect to gain electrons Wouldn't expect to gain electrons
Correct Part C Express your answer as a particle or a chemical formula
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