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WorksheetsAtoms, Ions and atomic Structure
Total questions: 25
Worksheet time: 22mins
An atom contains 29 protons. What is the correct chemical symbol for this atom?
(a)
An ion contains 32 electrons and has a charge of 2-. What is the identity of this ion?
(Use the correct chemical symbol with the appropriate charge. Add the charge after the numerical value. Example: P2+. Do not worry about showing the charge as a superscript)
(a)
An atom of chlorine contains 15 neutrons. What is the mass number of this atom?
(a)
An ion of sodium (Na) has a charge of 1+ and a mass number equal to 25. How many neutrons does this ion contain?
(a)
An ion of Bromine (Br) has a charge of 1-. How many electrons does this ion contain?
(a)
What would e the charge of an atom that loses four electrons?
(a)
What would be the charge of an atom that gains three electrons?
(a)
An atom has a _____ charge.
positive
negative
neutral
An anion has a _____ charge.
positive
negative
neutral
An cation has a _____ charge.
positive
negative
neutral
An atom of Cesium (Cs) contains 52 electrons. What is the charge of this ion?
(a)
An atom of Antimony (Sb) contains 53 electrons. What is the charge of this ion?
(a)
How many neutrons must an atom of Titanium (Ti) cntain if it has a mass number equal to 52?
(a)
The nucleus of an atom is composed of _____.
Protons and electrons
electrons and neutrons
Just protons
Protons and neutrons
Just neutrons
An atom contains 47 electrons and has a mass number equal to 87. This must be an atom of what element?
(a)
An ion with a charge of 3+ contains 11 electrons and has a mass number equal to 87. What is the identity of this ion?
(use the correct chemical symbol WITH the appropriate charge Ex. P5-)
(a)
An atom contains 35 neutrons and has a mass number equal to 68. This must be an atom of what element?
(a)
What would be the charge of an atom of Phosphorus (P) that gains two electrons?
(a)
What would be the charge of an atom of Magnesium (S) that loses two electrons?
(a)
If an ion has a positive charge, then _____________.
(> = greater than < = less than)
#protons = #electrons
#protons > #electrons
#protons < #electrons
In an atom, the _____________.
(> = greater than < = less than)
#protons = #electrons
#protons > #electrons
#protons < #electrons
if an ion has a negative charge, then _____________.
(> = greater than < = less than)
#protons = #electrons
#protons > #electrons
#protons < #electrons
The atomic number for Bohrium (Bh) is equal to (a) ?
How many protons does an atom of Niobium (Nb) contain?
(a)
How many electrons des an ion of Potassium (K) that has a charge of 1+ contain?
(a)
