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 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.

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

Determine which statements are true of neutral magnesium atoms.They have an equal number of protons and neutronsThey have more neutrons than protonsThey have 12 electronsThey have an equal number of protons and electrons

Element X has six more protons than element Y.Which statement must be correct?1Atoms of element Y are smaller than atoms of element X.AElement X has a full shell of electrons.BElement X and element Y are in the same group.CElement X and element Y are in the same period.

Which statement is correct about the isotopes of an element?A. They have the same mass numberB. They have the same electron arrangementC. They have more protons than neutronsD. They have the same numbers of protons and neutrons