Определи, являются утверждения о свойствах фундаментальных частиц атома истинными или ложными. 1. Электрон – элементарная частица, имеющая заряд +1.
2. Нуклоны – протоны и нейтроны – имеют равную массу.
3. Число электронов в атоме равно числу нейтронов.

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.

About 140,000 japanese died in this japanese city when americans dropped an atomic bob at the end of world war ii

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?