Which one of the following statements is false?Group of answer choicesAll calcium cations (Ca2+) contain 20 protons.Protons and electrons have a much greater mass than neutronsIf an atom gains electrons it becomes negatively charged and is called an anion.The neon atom has 10 electrons.Different isotopes of the same element contain different numbers of neutrons.

Which one of the following statements is false?Group of answer choicesAll silicon atoms contain 14 protons.Protons and neutrons have a much greater mass than electrons.Different isotopes of the same element contain different numbers of protons.The magnesium cation (Mg2+) has 10 electrons.The chlorine atom gains one electron to become the chloride anion (Cl–).

Which of the following statements about ions is INCORRECT?  Group of answer choicesCations are positive ions and anions are negative ions.Cations are formed when an atom loses electrons.Anions are formed when an atom gains electrons.Cations always have the same number of protons as electrons.All statements are correct.

Which of the following statements about a positive ion is true?It has more electrons than protonsIt has more electrons than neutronsIt has an equal number of protons and electronsIt has more protons than electrons

Using the periodic table above, select which statements are true.(There is more than one choice)Lithium atoms have 3 protonsNeon atoms have 7 protonsSulfur atoms have 16 protonsCalcium atoms have 20 protons

Atoms that vary in the number of neutrons are …Question 7Select one:a.ionsb.isotopesc.neutral atomsd.protons