Chemistry, 22.10.2021 21:30 nadarius2017
96 POINTS 1. An atom of platinum has a mass number of 195 and an atomic number of 78. How many protons and neutrons are in this atom? – Calculate your answer and please note that work must be shown to earn credit.
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 22:30
Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
Answers: 3
Chemistry, 22.06.2019 09:20
How have the greenhouse gasses increased from the year 2000 to 2018
Answers: 2
Chemistry, 22.06.2019 09:50
Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
Answers: 1
Chemistry, 23.06.2019 01:30
Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
Answers: 1
You know the right answer?
96 POINTS
1. An atom of platinum has a mass number of 195 and an atomic number of 78. How many pro...
Questions
Chemistry, 26.02.2021 14:00
Biology, 26.02.2021 14:00
Mathematics, 26.02.2021 14:00
Mathematics, 26.02.2021 14:00
Computers and Technology, 26.02.2021 14:00
Mathematics, 26.02.2021 14:00
Geography, 26.02.2021 14:00
Mathematics, 26.02.2021 14:00
Spanish, 26.02.2021 14:00
