stdntlogin3206
31.05.2021 •
Chemistry
discuss three practical tribal strategies you can implement to prevent provoking false information from being spread during service delivery protests
Solved
Show answers
More tips
- H Health and Medicine How to Calculate Your Ideal Weight?...
- S Style and Beauty Discover the Art of Nail Design: How Do You Paint Your Nails?...
- P Philosophy How to Develop Extrasensory Abilities?...
- O Other Everything You Need to Know About Kudyabliks...
- C Computers and Internet The Twitter Phenomenon: What it is and How to Use it...
- C Computers and Internet How to Choose a Laptop: Expert Guide and Tips...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
Answers on questions: Chemistry
- C Chemistry What is the frequency of a wave that has a wave speed of 20m/s and a wave length of 0.50m...
- C Chemistry What is the valence e- (outermost e-) for the following elements: a. Hydrogen b. Carbon c. Nitrogen d. Neon...
- C Chemistry Which type of rection has the general formuial ab+cd...
- C Chemistry 87 g of butane (C4H10) are burnt with oxygen. a) Write the balanced chemical equation. b) Calculate the volume of CO2 in standard condition (STP) obtained. c) Calculate...
- C Chemistry Gaseous nitrogen dioxide + gaseous water...
- C Chemistry One way to prepare iodine is to mix sodium iodate, NaIO3, with hydriodic acid, HI. The following reaction occurs NaIO3 + 6 HI → 3 I2 + NaI + 3 H2O Calculate the moles of...
- H History 3. The diagram below gives details about the American political system. dvise the memb how to ma Form PACS to assist partie Which title completes the diagram? A. How interest...
- M Mathematics If mUV = (8x - 17) and mWV = (5x + 52), find mW...
- M Mathematics Y = 6x; (2,12) tell weather the ordered pair is a solution of the equation...
- E English ‘Nowadays there should be no differences in the ways that boys and girls are raised and educated.’ I need to make a speech about this question for my whole school. I am...
Ответ:
Answer :
A = In
B = 27
C = 73
D = 49
E = 56
F = 54
G = 66
H = 108
I = 32
Explanation :
Atomic number is defined as the number of protons or number of electrons.
Atomic number = number of protons = number of electrons
Mass number is defined as the sum of number of protons and number of neutrons.
Number of neutrons = Mass number - Number of protons
Number of electrons = Number of protons - charge
Element Number of Number of Number of Atomic
symbol protons electrons neutrons mass
Co 27 27 31 58
In 49 49 66 115
Ta 73 73 108 181
Ba²⁺ 56 54 81 137
S²⁻ 16 18 16 32