Review Game Zone
Games
Test
Preview
Back
Match it!
Match it! Select the correct answer from the pull down...Good luck!
The mass number of an element is
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
What can you assume has happened if an electron moves to a higher energy level?
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
A horizontal row on the periodic table is called
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
To find the number of neutrons in an atom, you would subtract
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
Which of the following is unique for any given element?
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
Which statement is true about oxygen-17 and oxygen-18?
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
Suppose an atom has a mass number of 23. Which statement is true beyond any doubt?
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
The number of protons in one atom of an element is that element’s
They are isotopes of oxygen.
the number of protons
the sum of the protons and neutrons in one atom of the element.
atomic number from mass number.
The electron has gained energy.
period
The number of protons in the nucleus does not equal the number of neutrons.
atomic number.
Check it!