tatianaflores9040
19.09.2019 •
Chemistry
The number of protons in an atom of an element always equals its atomic weight.
a. true
b. false
Solved
Show answers
More tips
- F Food and Cooking Why Doesn t the Confirmation Link Come to Email?...
- L Leisure and Entertainment What Movies You Should Watch: A Guideline to Make the Right Decision...
- F Family and Home How to Choose a Baby Stroller: Tips from Experienced Parents...
- H Health and Medicine 5 Simple Steps to Quit Smoking for Good...
- H Health and Medicine Coughing: Causes, Types, and Treatment Methods...
- H Health and Medicine How to Treat the Flu: A Comprehensive Guide...
- O Other What is a Disk Emulsifier and How Does it Work?...
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
Answers on questions: Chemistry
- C Chemistry The properties of some rare earth elements makes them essential ingredients in electronics. Rare earth elements appear together in the same general area of the periodic table of...
- C Chemistry A 30.0-mL sample of 0.165 M propanoic acid is titrated with 0.300 M KOH. Calculate the pH at each volume of added base: 0 mL, 5 mL, 10 mL, equivalence point, one-half equivalence...
- C Chemistry How do the distances between the terrestrial planets compare to the distances between the gas giants?...
- C Chemistry How many moles of 02 are produced when 4 moles of h20 decompose?...
- C Chemistry Calculate the molality of a solution formed by dissolving 27.8 g of lii in 500.0 ml of water....
- C Chemistry The density of a solution is 1.18 g/ml. its specific gravity is...
- C Chemistry What alkyl halide forms 3-methyl-but-1-ene as the only product?...
- C Chemistry Consider the elements of group 4a (the carbon family ): c, si, ge, sn, and pb. what is the trend in metallic character as one goes down this group?...
- C Chemistry Two elements, and , combine to form two binary compounds. in the first compound, 28.0 g of combines with 3.00 g of . in the second compound, 7.00 g of combines with 4.50 g of . show...
- C Chemistry What coenzyme accepts two protons and two electrons when reduced?...
Ответ:
Ответ:
the number of protons in an atom is equal to the atomic number
Ответ:
group IIA
element
Explanation:
it is because oxygen have 6 electron and need 2 electron to fulfill valence shell .