SCCHS Unit 2 Atomic Theory

Which object has stored gravitational potential energy?

What did the photoelectric experiment demonstrate?

What did J.J. Thomson experiment with?

Which term represents a phase change?

What is energy?

A bolt of lightning is in which phase?

Which of the following is a definition of matter?

Hands moving on a battery-operated clock is an example of what energy conversion?

Which element would have properties most similar to those of cesium (Cs)?

What happens to energy in an open system?

Why is the force of gravity greater on Earth's surface than Pluto's surface?

Which element is in the lanthanide family?

Why is an element's atomic mass not listed as a whole number on the periodic table?

Which characteristic gives the most information about what kind of element an atom is?

What were JJ Thomson's ideas called?

Which is a form of stored energy?

What is an atomic theory?

How did Henry Moseley affect the development of the periodic table?

What did John Dalton contribute to understanding the atom?

Which element can conduct electricity well to make electrical connects between chips in a circuit board?

What are alkaline earth metals?

How were elements in the first periodic table arranged?

How many protons does Copper (Cu) have if its mass # is 63 and atomic # is 29?

How did Albert Einstein explain the photoelectric effect?

Which option describes a phase change?

Who made the first periodic table of elements?

How did Bohr describe the arrangement of particles within an atom?

Calcium (Ca) forms an ion by losing 2 electrons, what would be its charge?

What determines an element's properties?

Rain exists in which phase?

What are alkali metals?

What is another name for Group 6A?

What did Bohr contribute to the atomic theory?

Which is an energy of motion?

What happens to mass in an isolated system?

An atom has a mass # of 9 and 5 neutrons, what is its atomic #?