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by BlastRoom
Practice finding ion charges from electron gain or loss.
#chemistry
40 questions
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An ion has 4 protons and 2 electrons. What is its charge?
An atom gains two electrons. Which description matches the ion that forms?
What ion does sodium usually form in ionic compounds?
Zinc has atomic number 30. How many electrons are in Zn2+?
A bromine ion contains 35 protons and 36 electrons. Which charge does it have?
A neutral atom loses one electron. What kind of ion is produced?
Which ion does oxygen commonly form when it becomes stable in an ionic compound?
Silver has atomic number 47. How many electrons are in Ag+?
A gallium ion has 31 protons and 28 electrons. What is the ion's charge?
If an atom loses three electrons, which description is correct?
What ion does magnesium usually form in ionic compounds?
An iodine ion has 53 protons and 54 electrons. What is its charge?
Iron has atomic number 26. How many electrons are in Fe3+?
An atom gains one electron. Which description matches the ion that forms?
What ion does aluminum usually form in ionic compounds?
An arsenic ion contains 33 protons and 36 electrons. What is its charge?
An ion has two fewer electrons than the neutral atom of the same element. Which description fits?
Which ion does chlorine usually form in an ionic compound?
Copper has atomic number 29. How many electrons are in Cu2+?
A barium ion has 56 protons and 54 electrons. Which charge does it have?
A neutral atom gains three electrons. What kind of ion does it become?
Calcium is in Group 2. What ion does calcium usually form?
A rubidium ion contains 37 protons and 36 electrons. What is the net charge?
Tin has atomic number 50. How many electrons are in Sn4+?
An ion has 12 protons and 10 electrons. Which description fits?
What ion does fluorine usually form in ionic compounds?
A tellurium ion has 52 protons and 54 electrons. What charge results?
Which ion does potassium usually form when it reacts with a nonmetal?
An ion has 9 protons and 10 electrons. Which description fits?
Lead has atomic number 82. How many electrons are in Pb2+?
A cesium ion contains 55 protons and 54 electrons. What is its charge?
What ion does nitrogen commonly form in ionic compounds such as nitrides?
A metal atom has two valence electrons. Which ion does it usually form when it reacts with a nonmetal?
A phosphorus ion has 15 protons and 18 electrons. What is its charge?
What ion does lithium usually form in ionic compounds?
A selenium ion contains 34 protons and 36 electrons. Which charge does it have?
Compared with its neutral atom, an ion has three extra electrons. Which description is correct?
A strontium ion has 38 protons and 36 electrons. What is the ion's charge?
A boron ion contains 5 protons and 2 electrons. What charge is on the ion?
A sulfur ion has 16 protons and 18 electrons. What is its charge?
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Models of the Atom: Dalton to Quantum
20 questions
