Which of the following elements has this electron dot diagram a) oxygen, sulfur b) magnesium, calcium c) lithium, flourine d) none of the above

Isnt boron just b on the periodic table?

72. State the predicted ionic charge of nonmetal ions in each of the following groups of elements. (a) Group IVA/14 (c) Group VIA/16 (b) Group VA/15 (d) Group VIIA/17 73 JAL

Please don't provide handwritten solution ....

Which one in each pair has the larger radius ? Explain. (a) a magnesium ion or an aluminum ion (b) a sodium atom or a silicon atom (c) a potassium ion or bromide ion

State the predicted ionic charge of nonmetal ions in each of the following groups of elements. (a) Group IVA/14                                                                                              (b) Group VA/15 (c) Group VIA/16                                                                                                  (d) Group VIIA/17

An electrical charged atom or group of atoms. What is it

If two electrons are removed from an atom what is the charge of the resulting cation(positively charged ion)?

draw a shell model of a lithium atom which has three protons then predict wether the majority of lithium atoms on  earth are uncharged positively charged or negatively charged

Choose the most correct statement about atomic and ion radius. O a) The radius of a metal ion is smaller compared the radius of the corresponding metal atom. O b) The radius of S2 is smaller than the radius of S. O c) The radius of an atom is larger near the top of the Periodic Table. O d) The radius of an ion decreases across a period.