Intro to Matter
Which of the following is an example of a chemical property?
The rows in the periodic table are ordered in....
An electron dot shows an atom's number of what?
What is it called when uranium would emit radiation?
What does an atom become when it loses or gains electrons?
The density of a substance can be calculated by...
according to boyle law the volme of gas increases when...
The atomic number of an element is based on...
A covalent bond in which electrons are shared equally is called a what?
What is a Polar Covalent Bond?
A solid that forms into a liquid in a chemical reaction is called...
What is a precipitate?
Distillation is a way to seperate...
which of the following correctly describes a soild
the particals?
Which element group is the most reactive?
Polished metals have a metallic luster which means what?
A student mixes two liquids of the same temperature together. The graph above shows the change in temperature after the liquids mix. Did the mix absorb or release thermal energy?
What is the temperature rising?
Freezing is a type of what reaction?
How can oxygen be both an element and molecule?
Why does an aluminum horse shoe bend but not break when a black smith pounds it into shape with a hammer?