| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
rusting | arrow_right_alt | chemical change |
fermenting | arrow_right_alt | physical change |
dissolving koolaid | arrow_right_alt | physical change |
grating cheese | arrow_right_alt | chemical change |
How many protons does Sulfur have?
How many neutrons does Yttrium have?
How many electrons does Mg+2 have?
Silicon has three isotopes. Si-28 which occurs in 92.23% of the sample, Si-29 which occurs in 4.67% of the sample and the remainder is Si-30 with 3.10% of the sample. Calculate the average atomic mass of the sample.
Calculate the average atomic mass for the following data:
What is the value of A?
What is the value of B?
What is C?
What kind of decay is this?
What is the value of 255?
What is the value of 103?
What is C?
What kind of decay is represented?
Match each particle with its name
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
| arrow_right_alt | gamma | |
γ | arrow_right_alt | alpha |
| arrow_right_alt | beta |
The half-life of Zn-71 is 2.40 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.20 minutes has elapsed?