Ideas from the last test 11/16/18

According to the information on the periodic table and the number of electrons available for bonding, what would Mg most likely bond with?

• 1 chlorine (Cl)

• 2 chlorines (Cl)

• 1 carbon (C)

• 2 oxygens (o)

Which of the following substances would primarily involve a transfer of electrons?

• LiCl

• H2

• C6H12O6

• Mg

Elements in the same group tend to have similar reactivities because they have the same number of _________.

• electrons

• electrons in their highest occupied energy level

• protons

• protons and neutrons in their nuclei

When sodium and sulfur bond how many sodium atoms bond with each sulfur atom?

• 1

• 2

• 4

• 6

Which of the following compounds is most likely to have only covalent bonds?

• KCl

• C8H10N4O2

• Mg3(PO4)2

• LiBr

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

Which of the lewis dot structures below contains both single and double bonds?

• a

• b

• c

• d

In the electron dot formula showing the formation of a bond between calcium and chlorine, which of the following would be the most accurate description of the electrons involved in the bonds?

• The calcium atom shares an electron pair with each of the chlorine atoms.

• The calcium atoms gains an electron from each of the two chlorine atoms.

• The calcium atom gains two electrons from each of the chlorine atoms.

• The calcium atom loses an electron to each of the chlorine atoms.

An aluminum ion has a charge of 3+ and an oxide ion has a charge of -2. Which would be the product of a reaction between the two elements?

• Al2O

• Al2O3

• 2AlO3

• Al3O2

Which of the following is the BEST Lewis dot structure for the product of sodium and chlorine?

• a

• b

• c

• d