Atomic Mass and Ions Practice
how many protons and electrons are present in an argon atom
18 protons 18 electrons
how many protons and electrons are present in a potassium atom
19 protons 19 electrons
how many protons, neutrons, and electrons are present in the ⁴⁵₂₁Sc³⁺ ion?
21 protons 18 electrons 24 neutrons
how many protons and electrons are present in a vanadium atom
23 protons 23 electrons
how many protons, neutrons, and electrons are present in the ⁵⁹₂₈Ni²⁺ ion?
28 protons 26 electrons 31 neutrons
how many protons, neutrons, and electrons are present in the ⁷⁹₃₄Se²⁻ ion?
34 protons 36 electrons 45 neutrons
how many protons, neutrons, and electrons are present in the ⁹¹₄₀Zr⁴⁺ ion?
40 protons 36 electrons 51 neutrons
how many protons, neutrons, and electrons are present in the ¹⁴⁰₅₈Ce³⁺ ion?
58 protons 55 electrons 82 neutrons
how many protons, neutrons, and electrons are present in the ¹³₆C⁴⁻ ion?
6 protons 10 electrons 7 neutrons
how many protons and electrons are present in a nitrogen atom
7 protons 7 electrons
how many protons and electrons are present in a platinum atom
78 protons 78 electrons
what is the name of the element that has atoms that contain 5 protons
boron
what is the name of the element that has atoms that contain 17 protons
chlorine
what is the name of the element that has atoms that contain 82 protons
lead
what is the name of the element that has atoms that contain 25 protons
manganese
what is the name of the element that has atoms that contain 92 protons
uranium
write the complete chemical symbol for the ion with 84 protons, 125 neutrons, and 80 electrons
²⁰⁹₈₄Po⁴⁺
write the chemical symbol for the ion with 95 protons and 89 electrons
²⁴³₉₅Am⁺⁶
write the chemical symbol for the ion with 12 protons and 10 electrons
²⁴₁₂Mg²⁺
write the complete chemical symbol for the ion with 73 protons, 108 neutrons, and 68 electrons
¹⁸¹₇₃Ta⁵⁺
write the chemical symbol for the ion with 74 protons and 68 electrons
¹⁸⁴₇₄W⁺⁶
write the complete chemical symbol for the ion with 27 protons, 32 neutrons, and 25 electrons
⁵⁹₂₇Co²⁺
write the chemical symbol for the ion with 29 protons and 27 electrons
⁶⁴₂₉Cu²⁺
write the complete chemical symbol for the ion with 31 protons, 39 neutrons, and 28 electrons
⁷⁰₃₁Ga³⁺
write the chemical symbol for the ion with 33 protons and 36 electrons
⁷⁵₃₃As⁻³
