« previous next »

Author Question: How many valence electrons does an atom of Cu possess? A) 2 B) 9 C) 11 D) 3 E) ... (Read 105 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Aug 27, 2018
How many valence electrons does an atom of Cu possess?
 
  A) 2
  B) 9
  C) 11
  D) 3
  E) 1

Question 2

Calculate the mass, in kg, of 4.87  1025 atoms of Zn.
 
  A) 5.29 kg
  B) 1.89 kg
  C) 8.09 kg
  D) 1.24 kg
  E) 1.09 kg


mcni194

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa
Nurses possess a wide variety of experiences which they take into each patient encounter. Nurses possess a wide variety of experiences which they take into each patient encounter.
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Distribution of bonding and outer nonbonding electrons in the peptide group Distribution of bonding and outer nonbonding electrons in the peptide group
What is the identity of this atom? What is the identity of this atom?
An Atom An Atom
Video: Cortisol (protein catabolism, gluconeogenesis, vasoconstriction & anti-inflammation)

For a complete list of videos, visit our video library