Intro To Lewis Dot & Naming BR

The elements of which of these groups on the periodic table are most resistant to forming compounds?

• Group 1

• Group 9

• Group 14

• Group 18

The bonding characteristics of sodium are most similar to the bonding characteristics of —

• magnesium

• carbon

• rubidium

• oxygen

Which of the following sets of elements does not contain members with similar chemical reactivity?

• Co, Rh, Ir

• B, N, F

• Be, Ca, Ba

• Br, F, I

Chlorine forms a 1– ion. How many electrons does a chloride ion have?

• 1

• 16

• 17

• 18

Which of the groups below has the electron dot structure shown above?

• Noble gases

• Halogens

• Alkali metals

• Transition elements

The Lewis electron dot system represents electrons in the —

• outer energy level

• inner level

• middle level

• core level

According to the periodic table, Mg will most likely react with elements in which of these groups?

• 1

• 3

• 17

• 18

Which of these elements is most likely to donate one electron?

• Be

• Cs

• Rn

• He

According to the periodic table, which of these elements will form an ion with a –2 charge?

• S

• Mg

• F

• Rb

Which of these elements is most likely to gain two electrons?

• Mg

• Ca

• O

• Cl